CN207391436U - Electromagnetism strengthens the device of wood fibre liquefaction-jet stream cyclone multistage energy - Google Patents
Electromagnetism strengthens the device of wood fibre liquefaction-jet stream cyclone multistage energy Download PDFInfo
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- CN207391436U CN207391436U CN201721105251.1U CN201721105251U CN207391436U CN 207391436 U CN207391436 U CN 207391436U CN 201721105251 U CN201721105251 U CN 201721105251U CN 207391436 U CN207391436 U CN 207391436U
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- 229920002522 Wood fibre Polymers 0.000 title claims abstract description 5
- 238000000855 fermentation Methods 0.000 claims abstract description 74
- 230000004151 fermentation Effects 0.000 claims abstract description 67
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 54
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims description 14
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- 239000002002 slurry Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 abstract description 37
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- 230000005764 inhibitory process Effects 0.000 abstract description 2
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- 239000002994 raw material Substances 0.000 description 56
- 239000007789 gas Substances 0.000 description 55
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 35
- 238000000034 method Methods 0.000 description 31
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- 239000000463 material Substances 0.000 description 17
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- 238000011282 treatment Methods 0.000 description 15
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 12
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
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- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 6
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 241000283690 Bos taurus Species 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- 206010039509 Scab Diseases 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000192023 Sarcina Species 0.000 description 1
- ZOFMEZKHZDNWFN-UHFFFAOYSA-N acetic acid methane Chemical compound C.CC(O)=O ZOFMEZKHZDNWFN-UHFFFAOYSA-N 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses the device that a kind of electromagnetism strengthens wood fibre liquefaction jet stream cyclone multistage energy, including pump I, pipe-line mixer I, hydrolytic decomposition pot, air pump, pipe-line mixer II, ejector I, souring tank, pipe-line mixer III, ejector II, fermentation tank, gas-liquid separator, gas collector；Anaerobic fermentation process is divided into hydrolysis, acidifying by the device, the three phases that ferment independently carry out, three stages independently carried out, each stage dominant bacteria is given full play to, cyclone air-flotation with stock substrate is caused to be come into full contact with microorganism in fermented feed liquid, heat and mass effect is good, and the generation for phenomena such as effectively avoiding crust in fermentation process, ammonia inhibition, drastically increases biochemical reaction speed, is conducive to the generation of biomass energy；The present apparatus is simple in structure, easy manufacture, suitable for recyclings such as the Regional City such as plateau, high and cold, rural area organic wastewaters.
Description
Technical field
The utility model belongs to changing waste into resources production biomass energy technology field, and in particular to a kind of electromagnetism strengthens wood
The device of matter fiber liquefaction-jet stream cyclone multistage energy.
Background technology
With the development of industrial or agricultural and the raising of human living standard, the mankind are to fossil energies such as coal, oil, natural gases
Demand increasingly increases severely, but with the continuous exploitation of the mankind, the exhaustion of fossil energy is inevitable, most of fossil energy sheet
Century will be produced totally.
Biomass energy category renewable resource, biomass energy can be regenerated due to the photosynthesis by plant.Using organic
Waste anaerobic fermentation produces biomass energy, can not only effectively solve problem of environmental pollution, but also can alleviate the mankind
It is to solve the problems, such as one of effective way of energy and environment to the demand of fossil energy.
A principal element for restricting large and medium-sized scale anaerobic fermentation engineering is that raw material is restricted.In most cases,
Fermentation raw material is all sewage, pig manure etc., and the fermenting raw materials effect such as cow dung, sheep manure, the residual branch of plant, waste water of paper mill is managed
Think.Its reason mainly due to nature among, a large amount of celluloses, hemicellulose and wooden are contained in most of biomass material
Element, but since cellulose, hemicellulose and lignin are stable and complicated molecule knot makes its structure be difficult to efficient degradation, become system
The about principal element of anaerobic fermentation production biomass energy.
At present, mixed entirely for medium temperature using the debirs most common anaerobic digestion device of production biomass energy both at home and abroad
Formula fermentation tank.Complete hybrid fermentation tank maximum is a little suitable for high concentration and organic original containing a large amount of suspended particulate substances
Material.But according to anaerobic digestion three-stage theory, in the conditions such as pH, temperature and microorganism species needed for each stage of anaerobic digestion
There are certain difference, and there are inhibitory action between microorganism species needed for each stage, therefore complete hybrid fermentation tank one
Determine that sufficiently biomass energy can not be produced using Organic Ingredients in degree.At the same time, in the aerogenesis stage of anaerobic digestion
A certain amount of inorganic nitrogen containing plasma can be generated, different inorganic nitrogen containing plasmas can constantly raising and the aerogenesis of inhibition system with concentration
Ability also limits the development of complete hybrid fermentation technique to a certain extent.
Therefore a kind of Novel anaerobic digestion is needed to produce the technique and device of biomass energy, is ensureing cellulose, half fiber
While dimension element and lignin effectively hydrolyzing, each stage dominant bacteria of anaerobic digestion can be given full play to and solve the micro- life of each stage
Mutual inhibitory action between object flora realizes that maximally utilizing for biomass energy is produced in debirs anaerobic digestion.
The content of the invention
The technical problems to be solved in the utility model is that existing anaerobic digestion is overcome to produce institute in biomass energy method
Existing lignin, cellulose and the shortcomings of hemicellulose degradation rate is low, fermentation tank easily crusts and stage microbial mutually inhibits；
The purpose of this utility model is to provide the device that a kind of electromagnetism strengthens wood fibre liquefaction-jet stream cyclone multistage energy,
Including pump I, pipe-line mixer I, hydrolytic decomposition pot, air pump, pipe-line mixer II, ejector I, souring tank, pipe-line mixer III, jet stream
Device II, fermentation tank, gas-liquid separator, gas collector；Wherein hydrolytic decomposition pot includes housing, negative electrode, positive electrode, magnetic field generation
Device, gas distribution pipe；Souring tank is arranged on above fermentation tank, and diaphragm is arranged between souring tank and fermentation tank, and diaphragm is
Arc falls funnel-form, and souring tank lower part is provided with biogas residue outlet and above diaphragm；Pump I by pipe-line mixer I with
The tangential inlet I on hydrolytic decomposition pot top connects, and air pump is connected with hydrolyzing the gas distribution pipe of pot bottom, and negative electrode, positive electrode are arranged on water
In the housing for solving tank, field generator for magnetic is arranged on the housing of hydrolytic decomposition pot, and negative electrode, positive electrode are connected respectively with power supply；Water
The gas vent of solution tank top is connected with gas collector, and the discharge port for hydrolyzing pot bottom passes through valve b and pipe-line mixer II
Connection, pipe-line mixer II are connected by ejector I with the tangential inlet II on souring tank top, and the discharge port for hydrolyzing pot bottom leads to
Valve a is crossed to connect with pump I；The outlet of fermentation tank bottom is connected by valve c with pump II, and pump II is by pipe-line mixer III with penetrating
Stream device II connects, and ejector II is connected with the tangential inlet III of fermentation tank lower part, and gas-liquid separator is arranged on acidifying upper end simultaneously
It communicates therewith, gas-liquid separator is connected by valve with gas collector；Outlet is connected by valve d with biogas slurry outlet；Pipe
Road mixer I, pipe-line mixer II are provided with medicament entrance on pipe-line mixer III, for each stage strain and pH adjusting agent
Addition；Air pump, ejector I and ejector II are connected respectively by pipeline with high-temperature water vapor generator, gas collector point
It is not connected with ejector I, ejector II.
The magnetic field generator is energization solenoid, is arranged on the inner walls or outer wall of hydrolytic decomposition pot.
The negative electricity extremely stick electrode, positive electricity are extremely arranged on the ring mesh electrode around negative electrode；Or negative electrode
With the extremely alternatively distributed plate mesh electrode of positive electricity；Or the extremely alternatively distributed ring mesh electrode of negative electrode and positive electricity.
The gas-liquid separator includes connecting flange, gas-collecting pipe, gas-liquid separation chamber, gas vent, gas-liquid separation chamber
It is arranged on by connecting flange in the outlet at the top of souring tank, gas-collecting pipe one end is arranged in souring tank, and the other end is set
In gas-liquid separation room, gas vent is arranged at the top of gas-liquid separation chamber and is connected with gas collector.
It is horn-like that the gas-collecting pipe, which is arranged on one end open in souring tank,.
Above device completes energy by the following method, and this method has lignin, cellulose and hemicellulose degradation
Efficient, enhancement microbiological flora advantage, process condition and that biomass energy product is controllable, operating process is simple etc. is excellent stage by stage
Point；Specifically include following steps：
Pre-process hydrolysis section：By raw material with hydrolysis microbial inoculum, pH adjusting agent after mixing, mixture is tangentially sent into hydrolytic decomposition pot
In formed in tank body and stablize eddy flow, processing is hydrolyzed under pH 4 ~ 5.2, extra electric field, magnetic fields, in reinforcing raw material
The degradation of cellulose, hemicellulose and lignin；After the completion of hydrolysis stage, it is passed through high-temperature steam in its end and raw material is killed
Bacterium is handled；Under the action of electromagnetism reinforcing, hydrolysis microbial inoculum can discharge substantial amounts of anaerobism enzyme during growth and breeding,
The organic matter of the complicated molecules structure such as cellulose, hemicellulose and lignin can be decomposed into simple organic by anaerobism enzyme
Object；
It is acidified section：With acidifying microbial inoculum, pH adjusting agent after mixing, mixture passes through jet stream to raw material after pretreatment hydrolysis
Device is simultaneously tangentially sent into souring tank the stable eddy flow of formation in tank body, is acidified under pH 5.5 ~ 7.0；Raw material is logical therebetween
When crossing ejector, intermittently it is passed through high-temperature water vapor and sterilization treatment is carried out to raw material；It is acidified microbial inoculum energy during growth and breeding
It is enough that the upper stage product in addition to acetic acid, formic acid, methanol is converted into acetic acid, hydrogen and carbon dioxide etc.；
Fermentation stage：Raw material after acidifying is by ejector, when passing through ejector, be intermittently passed through high-temperature steam to raw material into
Row sterilization treatment；Then raw material is uniformly mixed with bactericide for generating methane, pH adjusting agent after being acidified, and mixture is tangentially sent into fermentation tank
It is formed in tank body and stablizes eddy flow, finally carry out anaerobic fermentation in pH 6.8 ~ 7.2, collect fermentation methane, biogas slurry and biogas residue；Production
Methane backeria can be methane acetic acid, hydrogen and carbon dioxide conversion caused by the first two stage during growth and breeding.
The raw material include two kinds of solid and/or liquid, into reaction process before do different pretreatments respectively：
（1）The solid materials such as animal wastes, the residual branch of plant：It is crushed before charging, mixed processing, then by 80 ~
Enter reaction process after 240 mesh fine screen mesh；
（2）The liquid charging stocks such as stalk filtrate, organic wastewater：It needs to be stirred mixing before charging, then it is thin by 80 ~ 240
Enter reaction process after sieve.
The microbial inoculum that each stage uses in this method is conventional commercial microbial inoculum；
The microbial bacterial agent that the hydrolysis microbial inoculum can hydrolyze cellulose, hemicellulose and lignin for conventional commercial,
That is Phanerochaete chrysosporium, discrimination wrinkle mould, composite microbial system MC1, one kind in composite microbial system WSC-6 or arbitrarily than several, hydrolysis
The inoculum concentration of microbial inoculum in the feed is 3 × 109~8×109cfu/mL。
It is described acidifying microbial inoculum be conventional commercial can by organic matter be acidified be acetic acid microbial inoculum, i.e., hydrogen-producing acetogens or
One kind in homoacetogenic bacteria or arbitrarily than several, the inoculum concentration of acidifying microbial inoculum in the feed is 0.5 × 109~5×109cfu/
mL。
Acetic acid can be decomposed into the microbial inoculum of methane by the bactericide for generating methane for conventional commercial, i.e., formic acid methagen or bar
One kind in family name's sarcina methanica or arbitrarily than several, the inoculum concentration of bactericide for generating methane in the feed is 0.5 × 109~3×
109cfu/mL。
The pH adjusting agent is one or more of citric acid, acetic acid, sodium carbonate.
Described to pre-process difference of the hydrolysis section according to raw material, the residence time is 3 ~ 72h at 35 ~ 40 DEG C of temperature；It is acidified Duan Wen
Degree residence time at 20 ~ 35 DEG C is 2 ~ 48h；Fermentation stage temperature residence time at 30 ~ 35 DEG C is 12 ~ 96h.
The hydrolysis section passes through hydrolysis of the additional electromagnetic field enhanced hydrolysis bacterium enzyme to lignin, cellulose and hemicellulose：
Since microorganism has certain electricity, magnetic activity, by the addition of micro voltage hydrolytic bacteria enzyme electronics cloud cluster can be made to change,
With better activity so that catalysis microorganism greatly promotes the degradation of cellulose, hemicellulose and lignin, with one
As anaerobic digestion techniques compare, provided for acidifying section and fermentation stage under equal raw material condition more using raw material,
And then more biomass energies can be obtained.
The step（1）Middle voltage of electric field is 0.1 ~ 1.5V.
The step（1）Middle magnetic field intensity is 0.1 ~ 20T.
Mixing plant is not set in the hydrolytic decomposition pot, souring tank and fermentation tank；Feed inlet using tangential inlet, makes material
Stable eddy flow is formed in tank interior, it is effective that gas in material and in time knockout drum is mixed.
The speed that the mixture is tangentially sent into is 5 ~ 10m/s.
The cyclone air-flotation technology, has a certain amount of NH during biological producing methane3It generates, NH3As located not in time
Reason, substantial amounts of NH will be generated by being dissolved in water4 +, work as NH4 +During concentration ＞ 150mg/L, entire fermentation process will be heavily suppressed, into
And reduce biological producing methane efficiency.The present invention makes the NH generated in fermentation process by cyclone air-flotation technology3In centrifugal force and float
It is quickly discharged under the action of power, eliminates the ammonium inhibitory action of anaerobic digestion, improve gas producing efficiency.
The cyclone air-flotation technology, due to anaerobic digestion during have the gases such as biogas generation, can make in reactor
There is the disturbance of a large amount of gases in portion, ensure that the generation that encrustation phenomena is avoided in the case of not applied mechanical mixing plant；I.e.
Acidifying section mixture is tangentially sent into souring tank after being mixed with biogas, fermentation stage mixture is tangentially sent into fermentation after being mixed with biogas
Tank prevents crust in fermentation tank.
Prepared raw material enters hydrolytic decomposition pot through pump I, pipe-line mixer I by being located at the tangential inlet I at the top of hydrolytic decomposition pot, and
It is formed in hydrolytic decomposition pot and stablizes eddy flow；High-temperature steam enters hydrolytic decomposition pot through air pump by the gas distribution pipe for being located at hydrolysis pot bottom, aligns
It is sterilized in the hydrolysis material of hydrolysis pot bottom, the raw material after hydrolysis is sterilized is from hydrolytic decomposition pot bottom discharge mouth through valve a
It is back to I completion hydrolysis section reflux course of pump or enters acidifying section through valve b；Generated gas is by being located in hydrolytic process
Gas vent at the top of hydrolytic decomposition pot enters gas collector through valve；So far, pretreatment stage is hydrolyzed to complete；The hydrolytic decomposition pot stops
The time is stayed to jointly control by valve a and valve b, i.e., is opened by valve a, valve b, which is closed, increases residence time of raw material；Pass through
Valve a is closed, and valve b is opened so that the raw material that hydrolysis sterilizing is completed enters next stage.
The material that hydrolysis sterilizing is completed passes through pipe-line mixer II, ejector I respectively；In high-temperature steam or gas collector
Biogas is thoroughly mixed to form acidifying mixed raw material in the ejector I by pipeline with material；The acidifying mixed raw material is through being located at
Tangential inlet II at the top of souring tank forms in souring tank into souring tank and stablizes eddy flow；Gas is generated in souring tank to lead to
It crosses gas-liquid separator and enters gas collector through valve.
Material enters fermentation tank by the perforate on diaphragm after the completion of the acidifying, then going out by fermenter base
Mouth discharge, respectively by pump II, pipe-line mixer III, ejector II；Biogas passes through pipeline in high-temperature steam or gas collector
In ejector II and material is thoroughly mixed to form fermenting mixed raw material；Fermenting mixed raw material is passed through positioned at the tangential of fermenter base
Entrance III enters in fermentation tank, and is formed in fermentation tank and stablize eddy flow；Fermentation generation gas passes through gas-liquid separation in fermentation tank
Device enters gas collector through valve；Biogas slurry after fermentation completely is discharged through outlet, valve d；The biogas residue generated after fermentation completely
It exports and discharges through biogas residue.
This method generates magnetic field by solenoid during hydrolysis section and low-tension supply, electrode is cooperateed with to generate electric microfield reinforcing
Hydrolytic bacteria enzyme is electroactive in hydrolytic decomposition pot, and then enhances its hydrolysis to cellulose, hemicellulose and lignin；Pass through cloth
Tracheae is uniformly passed through high-temperature steam into hydrolytic decomposition pot, and sterilization processing is carried out to completing the raw material after hydrolyzing, simultaneously, due to
High-temperature steam is passed through, and the temperature field that temperature gradually rises from top to bottom can be formed in hydrolytic decomposition pot, that is, is ensureing to be acidified Duan Weisheng
Insulation effect also is played to hydrolysis section while object dominant bacteria growth and breeding.
The present apparatus installs souring tank, diaphragm and fermentation tank using compact, respectively in souring tank and fermentation tank
Form relatively independent stabilization eddy flow：In souring tank, under the action of eddy flow and gravity, justify in souring tank inner tank wall one side
It is all nearby to form top-down eddy flow, it can then rebound to be formed positioned at acid when fluid reaches diaphragm upper table face contact type
Change the eddy flow from bottom to top near tank semi-circumference, eddy flow process and so on is eventually formed in the center of souring tank
If a top-down water outlet eddy flow, and diaphragm and fermentation tank are passed through, fermentation tank is then entered by tangential inlet III,
Eddy flow process in its fermentation tank is similar with souring tank；Since gas density is much smaller than liquid, fermentation generate gas and
The gas that raw material introduces when mixing can from bottom to top move under the double action of centrifugal force and buoyancy, and then collect；It is sending out
In fermentation tank, due to the reference of air flotation technology, the disturbance of gas from bottom to top can cause biogas residue by gas wrap up so that gradually on
Rise to diaphragm lower surface, due to the characteristic of fluid, biogas residue caused by fermentation stage then can along diaphragm lower surface by
Gradually rise, and be finally piled up in acidifying pot bottom, at the same time due under centrifugal force and gravity, being acidified natural pond caused by section
Slag can then be moved downward along acidifying top tank structure, and finally be piled up in acidifying pot bottom, and then exported by biogas residue and collected discharge
Biogas residue.
Feature is possessed by the utility model：
（1）It is suitble to cellulose, hemicellulose and the fermentation raw materials such as the high debirs of content of lignin or waste water, mass transfer effect
Fruit is good, and volumetric loading is high；
（2）Segmentation structure, each stage dominant bacteria growth and breeding is good, may advantageously facilitate the promotion of factor of created gase, while each
Stage control so that product is flexible, available for biomass energies such as anaerobic digestion production biogas, hydrogen and ethyl alcohol；
（3）Suitable for the area of the unsuitable mesophilic anaerobic digestion technology such as plateau, high and cold, application prospect is good；
（4）Energy consumption is small, compared with tradition machinery stirs, energy saving more than 30%；
（5）Ligocellulose degradation leads height, so that factor of created gase is high, more than 40% is improved than traditional biogas production technique；
（6）Compact is installed in series, and space is small, at low cost；
（7）Operating cost is low, obvious environment benefit.
Description of the drawings
Fig. 1 is present apparatus structure diagram；
Fig. 2 is present apparatus distribution of electrodes structure diagram；Wherein scheme（a）In upper figure be negative electricity extremely stick electrode, positive electricity
The ring mesh electrode front view being extremely arranged on around negative electrode, figure below is top plan view；Figure（b）In upper figure be negative electrode
With the extremely alternatively distributed plate mesh electrode front view of positive electricity, figure below is top plan view；Figure（c）In upper figure be negative electrode and sun
Electrode is alternatively distributed ring mesh electrode front view, and figure below is top plan view；
Fig. 3 is present apparatus structure of gas liquid separator schematic diagram；
Fig. 4 is present apparatus tangential inlet structure diagram；
Fig. 5 is present apparatus diaphragm structure diagram, and wherein A figures are sectional view, and B figures are stereogram；
In figure：1- pumps I；2- pipe-line mixers I；3- tangential inlets I；4- hydrolytic decomposition pots；5- negative electrodes；6- positive electrodes；7- cloth
Tracheae；8- air pumps；9- pipe-line mixers II；10- ejectors I；11- tangential inlets II；12- souring tanks；13- is exported；14- is pumped
Ⅱ；15- pipe-line mixers III；16- ejectors II；17- tangential inlets III；18- fermentation tanks；19- diaphragms；20- gas-liquids point
From device；21- connecting flanges；22- gas collection mouths；23- gas-liquid separation chamber；24- gas vents；25- gas collectors；26- electricity
Source；27- biogas residues export；28- medicament entrances.
Specific embodiment
The invention will now be further described with reference to specific embodiments, and the advantages and features of the present invention can with description and more
Add clear；But these embodiments are only exemplary, it is intended to for explaining the present invention, and it is not intended that limit of the invention
System；It it will be apparent to a skilled person that without departing from the spirit and scope of the invention can be to the technology of the present invention
The details and form of scheme are modified and replaced, but these modifications and replacement are each fallen in protection scope of the present invention.
Embodiment 1
The process object of the present embodiment：Certain municipal sewage plant's sanitary sewage, COD are 300~400mg/L, and BOD is
200mg/L, ammonia nitrogen 30mg/L, total phosphorus are 2~3mg/L, and cellulose, hemicellulose and content of lignin are 30%.
The present embodiment sanitary sewage anaerobic fermentation process independently carries out stage by stage, specifically includes following three phases：
（1）Pre-process hydrolysis section：By the composite microbial system MC1 for pre-purchaseing and cultivating according to 5 × 109The inoculum concentration of cfu/mL
It is uniformly mixed with raw material, and passes through acetic acid and adjust mixture pH to 5, mixture is tangentially sent into hydrolytic decomposition pot with 6m/s in tank body
Interior formed stablizes eddy flow, and processing is hydrolyzed for 24 hours in the case where 5,36 DEG C of pH, extra electric field 0.8V, magnetic field intensity is 0.5T effects,
Strengthen the degradation of cellulose, hemicellulose and lignin in raw material；After the completion of hydrolysis, it is passed through high-temperature steam and hydrolysis material is carried out
Sterilization treatment；
（2）It is acidified section：By hydrogen-producing acetogens and homoacetogenic bacteria in mass ratio 2:8 ratio mixing, then by 3 ×
109Raw material is sufficiently mixed and passes through lemon sodium and adjusts mixture pH to 6 after the inoculum concentration of cfu/mL and hydrolysis, mixture with
5m/s, which is tangentially sent into souring tank to be formed in tank body, stablizes eddy flow, and acidifying 30h is carried out under 30 DEG C, pH 6；Raw material exists therebetween
When passing through ejector, intermittently it is passed through high-temperature water vapor and sterilization treatment is carried out to raw material；
（3）Fermentation stage：Raw material after acidifying is by ejector, while interval is passed through high-temperature steam and raw material is carried out at sterilizing
Reason；In the intermittent phase of sterilization treatment, formic acid methagen is pressed 1.5 × 109Raw material after the inoculum concentration of cfu/mL and acidifying fills
Divide to mix and pass through sodium carbonate and adjust mixture pH to 6.5, mixture is tangentially sent into fermentation tank the shape in tank body with 7m/s
Into eddy flow is stablized, finally in 6.5,32 DEG C of progress anaerobic fermentation 34h of pH, fermentation methane, biogas slurry and biogas residue are collected.
Such as Fig. 1,2（a）, 3,4, shown in 5, realize the above method device include pump I 1, pipe-line mixer I 2, hydrolytic decomposition pot 4,
Air pump 8, pipe-line mixer II 9, ejector I 10, souring tank 12, pipe-line mixer III 15, ejector II 16, fermentation tank 18, gas
Liquid/gas separator 20, gas collector 25；Wherein hydrolytic decomposition pot 4 includes housing, negative electrode 5, positive electrode 6, magnetic field generator, gas distribution pipe
7；Souring tank 12 is arranged on 18 top of fermentation tank, and diaphragm 19 is arranged between souring tank 12 and fermentation tank 18, diaphragm
19 fall funnel-form for arc, and 12 lower part of souring tank is provided with biogas residue outlet 27 and positioned at 19 top of diaphragm；Magnetic field generator
For energization solenoid 23, the housing exterior walls of hydrolytic decomposition pot are arranged on；Negative electrode 5 is stick electrode, and positive electrode 6 is to be arranged on negative electricity
Ring mesh electrode around pole；
It pumps I 1 to connect with the tangential inlet I 3 on 4 top of hydrolytic decomposition pot by pipe-line mixer I 2, air pump 8 and 4 bottom of hydrolytic decomposition pot
Gas distribution pipe 7 connect, negative electrode 5, positive electrode 6 are arranged in the housing of hydrolytic decomposition pot 4, and field generator for magnetic is arranged on hydrolytic decomposition pot 4
Housing on, negative electrode 5, positive electrode 6 are connected respectively with power supply 26；The gas vent and gas collector 25 at 4 top of hydrolytic decomposition pot
Connection, the discharge port of 4 bottom of hydrolytic decomposition pot are connected by valve b with pipe-line mixer II 9, and pipe-line mixer II 9 passes through ejector I
10 connect with the tangential inlet II 11 on 12 top of souring tank, and the discharge port of 4 bottom of hydrolytic decomposition pot is connected by valve a with pump I 1；Hair
The outlet 13 of 18 bottom of fermentation tank is connected by valve c with pump II 14, and pump II 14 passes through pipe-line mixer III 15 and ejector II 16
Connection, ejector II 16 are connected with the tangential inlet III 17 of 18 lower part of fermentation tank, and gas-liquid separator 20 is arranged on souring tank 12 and pushes up
It holds and communicates therewith, gas-liquid separator 20 is connected by valve with gas collector 25；It is discharged by valve d and biogas slurry outlet 13
Mouth connection；Pipe-line mixer I 2, pipe-line mixer II 9 are provided with medicament entrance 28 on pipe-line mixer III 15；Air pump 8, jet stream
Device I 10 and ejector II 16 are connected respectively by pipeline with high-temperature water vapor generator, gas collector 25 respectively with ejector I
10th, ejector II 16 connects；
After sewage treatment plant's sanitary sewage is by 200 mesh fine screen mesh filtration treatments, by pump I 1 be passed through pipe-line mixer I 2 with
After hydrolyzing microbial inoculum, pH adjusting agent mixing, mixture enters hydrolytic decomposition pot 4 by the tangential inlet I 3 of hydrolytic decomposition pot, and temperature remains
36 DEG C, pH 5, this stage open power supply 26, and it is 0.8V to apply low-voltage to hydrolysis section by anodic-cathodic, opens energization helical
Processing is hydrolyzed in the case where magnetic field intensity is 0.5T effect in circle 23, by Open valve a and closes valve b control hydrolysis sections
Residence time for for 24 hours.
After hydrolysis section reaches predetermined parking time, Open valve b simultaneously closes valve a, opens simultaneously air pump 8 by gas distribution
Pipe 7 is passed through high-temperature steam, makes after hydrolyzing the pretreated sterilized processing of material through pipe-line mixer II 9, ejector I
10, it is entered through tangential inlet II 11 in souring tank 12, and forms stable eddy flow；Raw material mixes when passing through pipe-line mixer II 9
Enter hydrogen-producing acetogens and homoacetogenic bacteria, to keep in souring tank temperature be 30 DEG C, pH 6, and passes through and close valve d and control this
Stage residence time is 30h；Simultaneously a high-temperature steam is passed through to ejector I 10 every 6h；
Material is by outlet 13, pump II 14, pipe-line mixer III 15 and ejector II 16 after acidifying, through tangential inlet III 17
Into in fermentation tank 18, stable eddy flow is formed；Raw material is mixed into formic acid methagen when passing through pipe-line mixer III 15, keep hair
In fermentation tank temperature be 32 DEG C, pH 6.5, residence time 34h, while be continuously passed through into ejector II 16 biogas and and raw material
Mixing；
After the separation of gas-liquid separator 20, gas collector 25 stores final methane, and biogas residue, which is passed through, to be located under souring tank 12
The slag-drip opening 27 at end is discharged, and biogas slurry is discharged by valve d.
After process above is handled, finally collect in biogas residue, cellulose, hemicellulose and content of lignin reduce respectively
31%th, 34% and 29%；Gas production is relatively stable, is maintained at 1.5 ~ 2.0m3/（m3d）, gas production carries significantly compared to traditional zymotic technique
Height, the methane content of generation is 60% ~ 70%, can be directly used as combustion of natural gas after desulfurization, drying.
Embodiment 2
The process object of the present embodiment：The cow manure filtrate that certain milk cattle cultivating factory generates, COD for 40000~
50000mg/L, BOD 20000-30000mg/L, ammonia nitrogen 40mg/L, cellulose, hemicellulose and content of lignin are 70%；Milk
Ox filtrate of dejecta crosses 80 mesh sieves；
The present embodiment sanitary sewage anaerobic fermentation process independently carries out stage by stage, specifically includes following three phases：
（1）Pre-process hydrolysis section：By the Phanerochaete chrysosporium for pre-purchaseing and cultivating, discrimination wrinkle mould in mass ratio 6:4
Ratio mixing, and with 6.5 × 109The inoculum density of cfu/mL is uniformly mixed with raw material, by citric acid by mixture pH tune
Section is to 4, and mixture, which is tangentially sent into hydrolytic decomposition pot to be formed in tank body with 8m/s, stablizes eddy flow, in 4,35 DEG C of pH, extra electric field
1V, magnetic field intensity strengthen the degradation of cellulose, hemicellulose and lignin in raw material for processing 12h is hydrolyzed under 5T effects；
After the completion of hydrolysis, it is passed through high-temperature steam and sterilization treatment is carried out to hydrolysis material；
（2）It is acidified section：By hydrogen-producing acetogens and homoacetogenic bacteria in mass ratio 4:6 ratio mixing, and according to 3 ×
109Raw material is sufficiently mixed and passes through citric acid and adjusts mixture pH to 7 after the inoculum concentration of cfu/mL and hydrolysis, mixture with
10m/s, which is tangentially sent into souring tank to be formed in tank body, stablizes eddy flow, and acidifying 8h is carried out under 25 DEG C, pH 7；Raw material exists therebetween
When passing through ejector, intermittently it is passed through high-temperature water vapor and sterilization treatment is carried out to raw material；
（3）Fermentation stage：Raw material after acidifying is intermittently passed through high-temperature steam and carries out sterilization treatment to raw material by ejector；
In the intermittent phase of sterilization treatment, by formic acid methagen according to 2.2 × 109Raw material after the inoculum concentration of cfu/mL and acidifying is abundant
It mixes and passes through sodium carbonate and adjust mixture pH to 7, mixture is tangentially sent into fermentation tank with 10m/s and is formed in tank body
Stablize eddy flow, finally in pH7,30 DEG C of progress anaerobic fermentation 20h, collect fermentation methane, biogas slurry and biogas residue.
Such as Fig. 1,2（b）It is shown, the apparatus structure of the above method is realized with embodiment 1, and difference is negative electrode 5 and positive electricity
Pole 6 is alternatively distributed plate mesh electrode；Gas-liquid separator 20 includes connecting flange 21, gas-collecting pipe 22, gas-liquid separation chamber
23rd, gas vent 24, gas-liquid separation chamber 23 are arranged on by connecting flange 21 in the outlet at 12 top of souring tank, gas-collecting pipe
22 one end are arranged in souring tank 12, and the other end is arranged in gas-liquid separation chamber 23, and gas vent 24 is arranged on gas-liquid separation chamber
23 tops are simultaneously connected with gas collector 25；It is horn-like that gas-collecting pipe 22, which is arranged on one end open in souring tank 12,.
After process above is handled, finally collect in biogas residue, cellulose, hemicellulose and content of lignin reduce respectively
35%th, 38% and 31%；Gas production is relatively stable, is maintained at 1.7 ~ 2.2m3/（m3d）, gas production carries significantly compared to traditional zymotic technique
Height, the methane content of generation is 60% ~ 75%, can be directly used as combustion of natural gas after desulfurization, drying.
Embodiment 3
The process object of the present embodiment：The abandoned vegetable of certain vegetables cultivation base, COD 50000mg/L, BOD are
30000mg/L, cellulose, hemicellulose and content of lignin are 80%；
The present embodiment sanitary sewage anaerobic fermentation process independently carries out stage by stage, specifically includes following three phases：
（1）Pre-process hydrolysis section：The composite microbial system WSC-6 for pre-purchaseing and cultivating is according to 4 × 109The inoculum concentration of cfu/mL
It uniformly mixes, is adjusted mixture pH to 5.1 by citric acid, mixture is tangentially sent into 10m/s in hydrolytic decomposition pot with raw material
It is formed in tank body and stablizes eddy flow, processing is hydrolyzed in the case where 5.1,40 DEG C of pH, extra electric field 1.5V, magnetic field intensity is 9T effects
20h strengthens the degradation of cellulose, hemicellulose and lignin in raw material；After the completion of hydrolysis, high-temperature steam is passed through to hydrolyzing material
Carry out sterilization treatment；
（2）It is acidified section：By hydrogen-producing acetogens and homoacetogenic bacteria in mass ratio 5:5 ratio mixing, and according to 3.4 ×
109Raw material is sufficiently mixed and passes through citric acid and adjusts mixture pH to 5.5 after the inoculum density of cfu/mL and hydrolysis, mixes
Object is tangentially sent into be formed in tank body in souring tank and stablizes eddy flow by ejector with 5m/s, in 5.5 times 35 DEG C, pH progress
It is acidified 16h；Raw material is intermittently passed through high-temperature water vapor and carries out sterilization treatment to raw material when passing through ejector therebetween；
（3）Fermentation stage：Raw material after acidifying is intermittently passed through high-temperature steam and carries out sterilization treatment to raw material by ejector；
In the intermittent phase of sterilization treatment, by formic acid methagen according to 1.5 × 109Raw material after the inoculum concentration of cfu/mL and acidifying is abundant
It mixes and passes through sodium carbonate and adjust mixture pH to 7.2, mixture is tangentially sent into fermentation tank with 5m/s and is formed in tank body
Stablize eddy flow, finally in pH7.2,35 DEG C of progress anaerobic fermentation 30h, collect fermentation methane, biogas slurry and biogas residue.
Such as Fig. 1,2（c）It is shown, the apparatus structure of the above method is realized with embodiment 1, and difference is negative electrode 5 and positive electricity
Pole 6 is alternatively distributed ring mesh electrode；The material that hydrolysis sterilizing is completed passes through pipe-line mixer II, ejector I respectively；Gas
Biogas with material in pipeline to ejector I by being thoroughly mixed to form acidifying mixed raw material in body collector；Object after the completion of acidifying
During through punishment in advance ejector II, biogas is mixed by being thoroughly mixed to form fermentation with material in pipeline to ejector II in gas collector
Close raw material；
After process above is handled, finally collect in biogas residue, cellulose, hemicellulose and content of lignin reduce respectively
35%th, 38% and 31%；Gas production is relatively stable, is maintained at 1.6 ~ 2.0m3/（m3d）, gas production carries significantly compared to traditional zymotic technique
Height, the methane content of generation is 65% ~ 70%, can be directly used as combustion of natural gas after desulfurization, drying.
Claims (5)
1. a kind of electromagnetism strengthens the device of wood fibre liquefaction-jet stream cyclone multistage energy, it is characterised in that：Including pump I
（1）, pipe-line mixer I（2）, hydrolytic decomposition pot（4）, air pump（8）, pipe-line mixer II（9）, ejector I（10）, souring tank（12）、
Pipe-line mixer III（15）, ejector II（16）, fermentation tank（18）, gas-liquid separator（20）, gas collector（25）；
Wherein hydrolytic decomposition pot（4）Including housing, negative electrode（5）, positive electrode（6）, magnetic field generator, gas distribution pipe（7）；Souring tank（12）
It is arranged on fermentation tank（18）Top, diaphragm（19）It is arranged on souring tank（12）And fermentation tank（18）Between, diaphragm
（19）Funnel-form is fallen for arc, souring tank（12）Lower part is provided with biogas residue outlet（27）And positioned at diaphragm（19）Top；
Pump I（1）Pass through pipe-line mixer I（2）With hydrolytic decomposition pot（4）The tangential inlet I on top（3）Connection, air pump（8）With hydrolytic decomposition pot
（4）The gas distribution pipe of bottom（7）Connection, negative electrode（5）, positive electrode（6）It is arranged on hydrolytic decomposition pot（4）Housing in, magnetic field fills
It puts and is arranged on hydrolytic decomposition pot（4）Housing on, negative electrode（5）, positive electrode（6）Respectively with power supply（26）Connection；Hydrolytic decomposition pot（4）Top
Gas vent and gas collector（25）Connection, hydrolytic decomposition pot（4）The discharge port of bottom passes through valve b and pipe-line mixer II
（9）Connection, pipe-line mixer II（9）Pass through ejector I（10）With souring tank（12）The tangential inlet II on top（11）Connection, water
Solve tank（4）The discharge port of bottom passes through valve a and pump I（1）Connection；Fermentation tank（18）The outlet of bottom（13）By valve c with
Pump II（14）Connection, pump II（14）Pass through pipe-line mixer III（15）With ejector II（16）Connection, ejector II（16）With hair
Fermentation tank（18）The tangential inlet III of lower part（17）Connection, gas-liquid separator（20）It is arranged on souring tank（12）Top simultaneously connects with it
It is logical, gas-liquid separator（20）Pass through valve and gas collector（25）Connection；Outlet（13）Connected by valve d and biogas slurry outlet
It connects；
Pipe-line mixer I（2）, pipe-line mixer II（9）, pipe-line mixer III（15）On be provided with medicament entrance（28）；Air pump
（8）, ejector I（10）With ejector II（16）It is connected respectively by pipeline with high-temperature water vapor generator, gas collector
（25）Respectively with ejector I（10）, ejector II（16）Connection.
2. the apparatus according to claim 1, it is characterised in that：Magnetic field generator is energization solenoid（23）, it is arranged on
The inner walls or outer wall of hydrolytic decomposition pot.
3. the apparatus according to claim 1, it is characterised in that：Negative electrode（5）For stick electrode, positive electrode（6）To set
Ring mesh electrode around negative electrode；Or negative electrode（5）And positive electrode（6）For alternatively distributed plate mesh electrode；It is or cloudy
Electrode（5）And positive electrode（6）For alternatively distributed ring mesh electrode.
4. the apparatus according to claim 1, it is characterised in that：Gas-liquid separator（20）Including connecting flange（21）, gas
Collecting pipe（22）, gas-liquid separation chamber（23）, gas vent（24）, gas-liquid separation chamber（23）Pass through connecting flange（21）It is arranged on acid
Change tank（12）In the outlet at top, gas-collecting pipe（22）One end is arranged on souring tank（12）Interior, the other end is arranged on gas-liquid point
From room（23）It is interior, gas vent（24）It is arranged on gas-liquid separation chamber（23）Top and and gas collector（25）Connection.
5. device according to claim 4, it is characterised in that：Gas-collecting pipe（22）It is arranged on souring tank（12）Interior one end
It is open to be horn-like.
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