CN107475303A - A kind of preparation method of safety and environmental protection biogas - Google Patents
A kind of preparation method of safety and environmental protection biogas Download PDFInfo
- Publication number
- CN107475303A CN107475303A CN201710686601.6A CN201710686601A CN107475303A CN 107475303 A CN107475303 A CN 107475303A CN 201710686601 A CN201710686601 A CN 201710686601A CN 107475303 A CN107475303 A CN 107475303A
- Authority
- CN
- China
- Prior art keywords
- biogas
- safety
- environmental protection
- fermentation
- raw material
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/105—Removal of contaminants of nitrogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/26—Composting, fermenting or anaerobic digestion fuel components or materials from which fuels are prepared
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of preparation method of safety and environmental protection biogas, it is characterised in that including following aspect：（1）Raw material pre fermentation, adds raw materials into the water of 20 30 times of its quality, and adds mix bacterium agent and carry out aerobic and anaerobic fermentation；（2）Methane-generating pit ferments, and 28 32 DEG C, 43 47 DEG C, 55 60 DEG C of three fermentation temperatures progress methane-generating pit zymotechniques are respectively adopted；（3）Filtering, preliminary purification is carried out to biogas using hydrochloric acid solution and copper-bath；（4）Oxidation, purification, biogas is filtered using dried filtering agent and oxidation filtering agent respectively in U-tube, purifying marsh gas is made.Biogas obtained by the inventive method, has that gas production is high, aerogenesis speed is fast, safety and environmental protection, and heat caused by the burning of biogas unit volume is high.
Description
Technical field
The invention belongs to technical field of methane fermentation, and in particular to a kind of preparation method of safety and environmental protection biogas.
Background technology
Biogas, for by various organic compositions in the case where completely cutting off air conditionses, through micro- life under suitable pH value, temperature conditionss
It can property gas, its main component be so methane caused by thing fermentation, water and carbon dioxide are produced after burning；Biogas belongs to secondary energy
Source, there is renewable, cleaning, environmental protection, and the pollution problem of organic matter in environment can be reduced.The fermentation process of biogas includes
Hydrolysis stage, production acid phase, methane phase stage, wherein hydrolysis stage are by insoluble water constituent starch, cellulose, fruit in organic matter
Colloid etc., the materials such as soluble sugar, peptide, amino acid are hydrolyzed into the presence of cell secretes ectoenzyme, and produce acid phase as production second
Sour bacterium forms acetic acid using the compositions such as amino acid, peptide are decomposed, and the methane phase stage is that methanogen utilizes acetic acid and acetic acid compound
It is converted into methane.But although biogas has preferable clean environment firendly, there are still ask during it is processed and utilized
Topic, using stalk, cow dung, pig manure etc. as fermentation raw material, wherein containing a large amount of undecomposed cellulose components, direct plunge into natural pond
Gas ferments in pond, and cellulose components degradation speed is slow, biogas yield is few, gas production is unstable, causes biogas can not meet to make
Use demand；Ferment made biogas by methane-generating pit, in its composition mainly based on methane, simultaneously containing hydrogen sulfide, an oxidation
The gas componants such as carbon, ammonia, there is certain toxicity, safety in utilization problem be present, and product has pollution after burning.
The content of the invention
The present invention is directed to the problem of existing：In terms of biogas fermentation, with stalk, cow dung, pig manure etc. for biogas fermentation material, its
In containing substantial amounts of undegraded cellulose components, direct plunge into methane-generating pit and ferment, cellulose components degradation speed is slow, biogas production
Life is measured less, gas production is unstable, causes biogas can not meet use demand.In terms of safety and environmental protection, mainly with first in biogas composition
Based on alkane, while the gas componant such as hydrogen sulfide, carbon monoxide, ammonia, there is certain toxicity, safety in utilization problem be present, and
And product has pollution after burning.To solve the above problems, the invention provides a kind of preparation method of safety and environmental protection biogas.
The present invention is achieved by the following technical solutions：
A kind of preparation method of safety and environmental protection biogas, comprises the following steps：
（1）Raw material pre fermentation：By raw material stoving to moisture 20%-30%, its quality 4%-5% mix bacterium agent is added, is mixed
Zymotechnique is uniformly carried out, fermentation raw material is made；Cellulose, protein and carbohydrate in organic principle can be degraded, be formed
The compositions such as small-molecular peptides, amino acid and monose, methane gas producing speed is fast, gas production is high in input methane-generating pit after initial fermentation,
The gas time processed is short；
（2）Methane-generating pit ferments：Fermentation raw material is added into water for 21-26 times according to its quality, perfusion is into methane-generating pit after mixing, through natural pond
Gas pond is fermented, and first ferment 20-24h under 28-32 DEG C of temperature, 125-140kPa pressure conditions, then in 43-47 DEG C of temperature, 140-
Ferment 22-26h under 150kPa pressure conditions, and then ferment 32-36h under 55-60 DEG C of temperature, 90-110kPa pressure conditions, follows
Ring carries out methane-generating pit zymotechnique, and biogas is made；It is numerous to respectively facilitate decomposition, acid-producing bacteria and methanogen in methane-generating pit fermentation
Grow, by circulating fermentation stage control, made for biogas and lasting composition supply is provided, avoided and fermented carefully under the same terms
Bacterium, acid-producing bacteria and the mutual antagonism of methanogen and restrictive function；
（3）Filtering：Its quality 2%-3% azotobacter chroococcum is added into hydrochloric acid solution, can to hydrochloric acid solution absorb ammonia into
Divide and carry out biological nitrogen fixation, prevent from again resulting in pollution after decomposing, biogas pipeline is passed through in hydrochloric acid solution after being stirred, hydrochloric acid
Solution can absorb to the composition such as ammonia, methanol in biogas, reduce the content of ammonia and methanol in biogas, being passed through flow is
0.2-0.25L/s, it is 0.2-0.3L/s that biogas then is passed through into flow in copper-bath again, and copper sulphate can be with vulcanizing in biogas
Hydrogen reacts, and generates copper sulfide precipitation, removes hydrogen sulfide in methane composition, and just purifying marsh gas is made；
（4）Oxidation, purification：First purifying marsh gas is passed through " U " screen pipe, is dried and aoxidizes filtering, wherein dried filtering agent position
On the left of " U " pipe, it is 0.1-0.2L/s that biogas, which is passed through flow, can be by the Impurity Absorptions such as the moisture in biogas, particulate matter, wherein oxygen
Change filtering agent to be located on the right side of U-typed pipe, heating-up temperature is 47-52 DEG C, and the carbon monoxide contained in biogas and aluminum oxide, oxidation are sub-
Redox reaction occurs for iron, and carbon monoxide in biogas is removed so as to reach, and improves the security that biogas uses, makes after filtering
Obtain purifying marsh gas.
Step（1）Described raw material is one or more of mixtures in grain stem, cow dung, pig manure, sheep manure.
Step（1）Described mix bacterium agent, wherein trichoderma viride：Saccharomycete：Aspergillus oryzae：Hay bacillus quality proportioning
For 2-3:3-4:2:1.
Step（1）Described zymotechnique, its method are：
Aerobic fermentation is carried out at a temperature of being first placed in 30-34 DEG C 2-3 days, anaerobic fermentation 4-5 is then carried out at a temperature of 25-28 DEG C
My god.
Step（3）Described hydrochloric acid solution, its mass concentration are 1%-2%, and its container includes air inlet pipe, gas outlet, container
Bottle, hydrochloric acid solution addition are the 2/3 of Container bottle body volume, and wherein air inlet pipe passes to Container bottle body bottom, and gas outlet is located at
Bottle cap top.
Step（4）Described dried filtering agent, it is respectively configured to sub-prime gauge part and is：
Calcium lime powder 23-27 parts, calcium chloride 17-19 parts, silica gel particle 7-9 parts, charcoal powder 11-14 parts.
Step（4）Described oxidation filtering agent, its compound method are：
Aluminum oxide 23-26 parts, ferrous oxide 12-15 parts, carbon powder 6-8 parts, anhydrous cupric sulfate 3-5 are weighed according to quality meter part
Part, a diameter of 0.3-0.4cm particle will be pressed into after each raw material uniformly mixing under 0.3-0.4MPa pressure, be made and aoxidized
Filtering agent.
The present invention has advantages below compared with prior art：Raw material pre fermentation, by biogas fermentation material stalk, cow dung, pig
Excrement etc. is inoculated with mix bacterium agent, and mix bacterium agent Green Trichoderma, saccharomycete, aspergillus oryzae and hay bacillus send out through aerobic and anaerobic
Ferment, cellulose, protein and carbohydrate in organic principle can be degraded, form the compositions such as small-molecular peptides, amino acid and monose,
Methane gas producing speed is fast, gas production is high, the gas time processed is short in input methane-generating pit after initial fermentation.Biogas fermentation method, respectively
Using 28-32 DEG C, 43-47 DEG C, 55-60 DEG C of three fermentation temperature stages, decomposition, production in methane-generating pit fermentation can be respectively facilitated
Sour bacterium and methanogen breeding, by circulating fermentation stage control, made for biogas and lasting composition supply is provided, avoid phase
Zymogenous bacteria, acid-producing bacteria and the mutual antagonism of methanogen and restrictive function with the conditions of, so as to limit biogas gas
Efficiency.Filter method, biogas is passed through hydrochloric acid solution, the ammonia composition in biogas can reduce ammonia in biogas with hydrochloric acid reaction
Content, and the water soluble organic substance such as methanol contained in composition, can be by moisture cooling, absorption in hydrochloric acid solution；Then, by biogas
Copper-bath is passed through, the hydrogen sulfide contained in biogas can react with copper sulphate produces copper sulfide precipitation, plays removing hydrogen sulfide
Effect.Oxidizing decontamination process, the biogas just purified is passed through U-tube, by can be by biogas during dried filtering agent on the left of U pipes
The Impurity Absorptions such as moisture, particulate matter, and by the right side of U-tube during oxidation filtering agent in a heated condition, one contained in biogas
With aluminum oxide, ferrous oxide redox reaction occurs for carbonoxide, and carbon monoxide in biogas is removed so as to reach, and improving biogas makes
Security.
Embodiment
Embodiment 1：
A kind of preparation method of safety and environmental protection biogas, comprises the following steps：
（1）Raw material pre fermentation：By raw material stoving to moisture 23%, add the mix bacterium agent of its quality 4.2%, be well mixed into
Row zymotechnique, fermentation raw material is made；Cellulose, protein and carbohydrate in organic principle can be degraded, form small molecule
The compositions such as peptide, amino acid and monose, after initial fermentation raw material input methane-generating pit in can methane gas producing speed is fast, gas production is high,
The gas time processed is short；
（2）Methane-generating pit ferments：By fermentation raw material according to 23 times of addition water of its quality, perfusion is into methane-generating pit after mixing, through biogas
Pond is fermented, and first ferment 21h under 29 DEG C of temperature, 129kPa pressure conditions, then is fermented under 44 DEG C of temperature, 143kPa pressure conditions
23h, then ferment 33h under 57 DEG C of temperature, 95kPa pressure conditions, and circulation carries out methane-generating pit zymotechnique, and biogas is made；Point
Not Cu Jin methane-generating pit fermentation in decomposition, acid-producing bacteria and methanogen breeding, be biogas system by circulating fermentation stage control
Make to provide lasting composition supply, avoid zymogenous bacteria under the same terms, acid-producing bacteria and the mutual antagonism of methanogen
And restrictive function；
（3）Filtering：The azotobacter chroococcum of its quality 2.3% is added into hydrochloric acid solution, the ammonia composition that can be absorbed to hydrochloric acid solution
Biological nitrogen fixation is carried out, prevents from again resulting in pollution after decomposing, biogas pipeline is passed through in hydrochloric acid solution after being stirred, hydrochloric acid is molten
Liquid reduces the content of ammonia and methanol in biogas, being passed through flow is with can be absorbed to the composition such as ammonia, methanol in biogas
0.22L/s, it is 0.24L/s that biogas then is passed through into flow in copper-bath again, and copper sulphate can react with hydrogen sulfide in methane,
Copper sulfide precipitation is generated, removes hydrogen sulfide in methane composition, just purifying marsh gas is made；
（4）Oxidation, purification：First purifying marsh gas is passed through " U " screen pipe, is dried and aoxidizes filtering, wherein dried filtering agent position
On the left of " U " pipe, it is 0.15L/s that biogas, which is passed through flow, can be by Impurity Absorptions such as the moisture in biogas, particulate matters, wherein aoxidizing
Filtering agent is located on the right side of U-typed pipe, and heating-up temperature is 49 DEG C, and the carbon monoxide contained in biogas is sent out with aluminum oxide, ferrous oxide
Raw redox reaction, carbon monoxide in biogas is removed so as to reach, improve the security that biogas uses, be made net after filtering
Change biogas.
Step（1）Described raw material is one or more of mixtures in grain stem, cow dung, pig manure, sheep manure.
Step（1）Described mix bacterium agent, wherein trichoderma viride：Saccharomycete：Aspergillus oryzae：Hay bacillus quality proportioning
For 2:3:2:1.
Step（1）Described zymotechnique, its method are：
Aerobic fermentation is carried out at a temperature of being first placed in 32 DEG C 2 days, anaerobic fermentation is then carried out at a temperature of 26 DEG C 4 days.
Step（3）Described hydrochloric acid solution, its mass concentration are 1.2%, and its container includes air inlet pipe, gas outlet, container bottle
Body, hydrochloric acid solution addition are the 2/3 of Container bottle body volume, and wherein air inlet pipe passes to Container bottle body bottom, and gas outlet is located at bottle
Cover portion.
Step（4）Described dried filtering agent, it is respectively configured to sub-prime gauge part and is：
24 parts of calcium lime powder, 17.5 parts of calcium chloride, 7.4 parts of silica gel particle, 12 parts of charcoal powder.
Step（4）Described oxidation filtering agent, its compound method are：
24 parts of aluminum oxide, 13 parts of ferrous oxide, 6.5 parts of carbon powder, 3.6 parts of anhydrous cupric sulfate are weighed according to quality meter part, will be each
Raw material is pressed into a diameter of 0.3-0.4cm particle under 0.32MPa pressure after uniformly mixing, oxidation filtering agent is made.
Embodiment 2：
A kind of preparation method of safety and environmental protection biogas, comprises the following steps：
（1）Raw material pre fermentation：By raw material stoving to moisture 27%, add the mix bacterium agent of its quality 4.8%, be well mixed into
Row zymotechnique, fermentation raw material is made；
（2）Methane-generating pit ferments：By fermentation raw material according to 25 times of addition water of its quality, perfusion is into methane-generating pit after mixing, through biogas
Pond is fermented, and first ferment 23h under 31 DEG C of temperature, 132kPa pressure conditions, then is fermented under 46 DEG C of temperature, 147kPa pressure conditions
25h, then ferment 35h under 58 DEG C of temperature, 104kPa pressure conditions, and circulation carries out methane-generating pit zymotechnique, and biogas is made；
（3）Filtering：The azotobacter chroococcum of its quality 2.7% is added into hydrochloric acid solution, biogas pipeline is passed through salt after being stirred
In acid solution, it is 0.24L/s to be passed through flow, and it is 0.29L/s that biogas then is passed through into flow in copper-bath again, is made just net
Change biogas；
（4）Oxidation, purification：First purifying marsh gas is passed through " U " screen pipe, is dried and aoxidizes filtering, wherein dried filtering agent position
On the left of " U " pipe, it is 0.18L/s that biogas, which is passed through flow, wherein oxidation filtering agent is located on the right side of U-typed pipe, heating-up temperature 51
DEG C, purifying marsh gas is made after filtering.
Step（1）Described raw material is one or more of mixtures in grain stem, cow dung, pig manure, sheep manure.
Step（1）Described mix bacterium agent, wherein trichoderma viride：Saccharomycete：Aspergillus oryzae：Hay bacillus quality proportioning
For 3:4:2:1.
Step（1）Described zymotechnique, its method are：
Aerobic fermentation is carried out at a temperature of being first placed in 30-34 DEG C 3 days, anaerobic fermentation is then carried out at a temperature of 27 DEG C 5 days.
Step（3）Described hydrochloric acid solution, its mass concentration are 1.7%, and its container includes air inlet pipe, gas outlet, container bottle
Body, hydrochloric acid solution addition are the 2/3 of Container bottle body volume, and wherein air inlet pipe passes to Container bottle body bottom, and gas outlet is located at bottle
Cover portion.
Step（4）Described dried filtering agent, it is respectively configured to sub-prime gauge part and is：
26 parts of calcium lime powder, 18.6 parts of calcium chloride, 8.4 parts of silica gel particle, 13 parts of charcoal powder.
Step（4）Described oxidation filtering agent, its compound method are：
25 parts of aluminum oxide, 14 parts of ferrous oxide, 7.2 parts of carbon powder, 4.6 parts of anhydrous cupric sulfate are weighed according to quality meter part, will be each
Raw material is pressed into a diameter of 0.3-0.4cm particle under 0.37MPa pressure after uniformly mixing, oxidation filtering agent is made.
Contrast 1：
This contrast 1 does not carry out step compared with embodiment 1（1）Raw material pre fermentation, other steps are same as Example 1.
Contrast 2：
This contrast 2 does not carry out step compared with embodiment 1（2）Middle three phases zymotechnique, other steps and the phase of embodiment 1
Together.
Contrast 3：
This contrast 3 does not carry out step compared with embodiment 2（3）The use of middle limewash and copper sulphate, other steps and embodiment
2 is identical.
Contrast 4：
This contrast 4 does not carry out step compared with embodiment 2（4）In dried filtering agent use, other steps are same as Example 2.
Contrast 5：
This contrast 5 does not carry out step compared with embodiment 2（4）Middle oxidation filtering agent uses, and other steps are same as Example 2.
Control group：
Control group is directly added into methane-generating pit after Organic Ingredients is crushed, and pre fermentation, methane-generating pit three phases fermentation side is not used
Method, filtering, dried filtering agent and oxidation filtering agent.
To embodiment 1, embodiment 2, contrast 1, contrast 2, contrast 3, contrast 4, contrast 5 and control group experimental program, statistics
Pernicious gas content, combustion heating amount and gas production increase ratio in aerogenesis speed, biogas.
Experimental data：
| Project | Aerogenesis speed m3/d | Pernicious gas content % | Combustion heating amount kJ | Gas production increase ratio % |
| Embodiment 1 | 5.7 | 0.21% | 28.7×103 | 12.73% |
| Embodiment 2 | 5.4 | 0.19% | 28.5×103 | 12.48% |
| Contrast 1 | 5.1 | 0.20% | 28.4×103 | 7.30% |
| Contrast 2 | 4.6 | 0.22% | 28.6×103 | 6.48% |
| Contrast 3 | 5.3 | 2.27% | 26.4×103 | 12.31% |
| Contrast 4 | 5.5 | 0.51% | 24.9×103 | 12.45% |
| Contrast 5 | 5.2 | 1.66% | 27.1×103 | 12.39% |
| Control group | 4.1 | 4.15% | 21.3×103 | 0 |
Synthesis result：Biogas obtained by the inventive method, has that gas production is high, aerogenesis speed is fast, safety and environmental protection, and biogas list
Heat caused by the volume combustion of position is high.Using pre fermentation and methane-generating pit zymotechnique, aerogenesis speed improves 0.6m3/d、1.1m3/ d,
Gas production increase ratio improves 5.43%, 6.25%；And filtering, dried filtering agent and oxidation filtering agent are used, harmful gas can be reduced
Body content is respectively 2.08%, 0.32%, 1.47%, and combustion heating amount is respectively increased 2.1 × 103kJ、3.6×103kJ、1.4×
103kJ。
Claims (7)
1. a kind of preparation method of safety and environmental protection biogas, it is characterised in that comprise the following steps：
（1）Raw material pre fermentation：By raw material stoving to moisture 20%-30%, its quality 4%-5% mix bacterium agent is added, is mixed
Zymotechnique is uniformly carried out, fermentation raw material is made；
（2）Methane-generating pit ferments：Fermentation raw material is added into water for 21-26 times according to its quality, perfusion is into methane-generating pit after mixing, through natural pond
Gas pond is fermented, and first ferment 20-24h under 28-32 DEG C of temperature, 125-140kPa pressure conditions, then in 43-47 DEG C of temperature, 140-
Ferment 22-26h under 150kPa pressure conditions, and then ferment 32-36h under 55-60 DEG C of temperature, 90-110kPa pressure conditions, follows
Ring carries out methane-generating pit zymotechnique, and biogas is made；
（3）Filtering：Its quality 2%-3% azotobacter chroococcum is added into hydrochloric acid solution, is passed through biogas pipeline after being stirred
In hydrochloric acid solution, it is 0.2-0.25L/s to be passed through flow, and it is 0.2-0.3L/ that biogas then is passed through into flow in copper-bath again
S, just purifying marsh gas is made；
（4）Oxidation, purification：First purifying marsh gas is passed through " U " screen pipe, is dried and aoxidizes filtering, wherein dried filtering agent position
On the left of " U " pipe, it is 0.1-0.2L/s that biogas, which is passed through flow, wherein oxidation filtering agent is located on the right side of U-typed pipe, heating-up temperature is
47-52 DEG C, purifying marsh gas is made after filtering.
2. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（1）Described raw material is paddy
One or more of mixtures in class stalk, cow dung, pig manure, sheep manure.
3. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（1）Described mix bacterium agent,
Wherein trichoderma viride：Saccharomycete：Aspergillus oryzae：Hay bacillus quality proportioning is 2-3:3-4:2:1.
4. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（1）Described zymotechnique,
Its method is：
Aerobic fermentation is carried out at a temperature of being first placed in 30-34 DEG C 2-3 days, anaerobic fermentation 4-5 is then carried out at a temperature of 25-28 DEG C
My god.
5. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（3）Described hydrochloric acid solution,
Its mass concentration is 1%-2%, and its container includes air inlet pipe, gas outlet, Container bottle body, and hydrochloric acid solution addition is Container bottle body body
Long-pending 2/3, wherein air inlet pipe pass to Container bottle body bottom, and gas outlet is located at bottle cap top.
6. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（4）Described dry filter
Agent, it is respectively configured to sub-prime gauge part and is：
Calcium lime powder 23-27 parts, calcium chloride 17-19 parts, silica gel particle 7-9 parts, charcoal powder 11-14 parts.
7. the preparation method of safety and environmental protection biogas as claimed in claim 1, it is characterised in that step（4）Described oxidation filtering
Agent, its compound method are：
Aluminum oxide 23-26 parts, ferrous oxide 12-15 parts, carbon powder 6-8 parts, anhydrous cupric sulfate 3-5 are weighed according to quality meter part
Part, a diameter of 0.3-0.4cm particle will be pressed into after each raw material uniformly mixing under 0.3-0.4MPa pressure, be made and aoxidized
Filtering agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686601.6A CN107475303B (en) | 2017-08-11 | 2017-08-11 | Safe and environment-friendly biogas preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686601.6A CN107475303B (en) | 2017-08-11 | 2017-08-11 | Safe and environment-friendly biogas preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107475303A true CN107475303A (en) | 2017-12-15 |
| CN107475303B CN107475303B (en) | 2021-08-24 |
Family
ID=60599453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686601.6A Active CN107475303B (en) | 2017-08-11 | 2017-08-11 | Safe and environment-friendly biogas preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107475303B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698287A (en) * | 2019-10-29 | 2020-01-17 | 樊江 | Preparation method of straw compound fertilizer |
| CN111363764A (en) * | 2020-04-28 | 2020-07-03 | 黑龙江岑文水稻专业合作社联社 | Preparation method of biogas in alpine region |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888073A (en) * | 2005-06-27 | 2007-01-03 | 北京合百意生态能源科技开发有限公司 | Marsh gas fermentation process with composite microbial prepn pre-treated stalk |
| DE102011108462A1 (en) * | 2011-05-10 | 2012-11-15 | Dge Dr.-Ing. Günther Engineering Gmbh | Process for the production of biogas from predominantly animal excreta |
| CN103667117A (en) * | 2013-11-18 | 2014-03-26 | 广西金穗生物科技有限责任公司 | Compound microbial bacterium for aerobic fermentation stage |
| CN104132513A (en) * | 2014-08-18 | 2014-11-05 | 苏州新协力环保科技有限公司 | Method for drying biomass fuel |
| CN105803003A (en) * | 2014-12-27 | 2016-07-27 | 甘肃新德燃气有限公司 | Rapid starting method for fermentation production of biogas from Chinese herb residues |
| EP3109311A1 (en) * | 2015-06-24 | 2016-12-28 | David Feustel | Solar gas installation which can be operated in multiple modes |
| CN106377997A (en) * | 2016-10-17 | 2017-02-08 | 黄华丽 | Preparation of harmful gas purifying agent in air flow, and purification method and device by using purifying agent |
| CN111363764A (en) * | 2020-04-28 | 2020-07-03 | 黑龙江岑文水稻专业合作社联社 | Preparation method of biogas in alpine region |
-
2017
- 2017-08-11 CN CN201710686601.6A patent/CN107475303B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888073A (en) * | 2005-06-27 | 2007-01-03 | 北京合百意生态能源科技开发有限公司 | Marsh gas fermentation process with composite microbial prepn pre-treated stalk |
| DE102011108462A1 (en) * | 2011-05-10 | 2012-11-15 | Dge Dr.-Ing. Günther Engineering Gmbh | Process for the production of biogas from predominantly animal excreta |
| CN103667117A (en) * | 2013-11-18 | 2014-03-26 | 广西金穗生物科技有限责任公司 | Compound microbial bacterium for aerobic fermentation stage |
| CN104132513A (en) * | 2014-08-18 | 2014-11-05 | 苏州新协力环保科技有限公司 | Method for drying biomass fuel |
| CN105803003A (en) * | 2014-12-27 | 2016-07-27 | 甘肃新德燃气有限公司 | Rapid starting method for fermentation production of biogas from Chinese herb residues |
| EP3109311A1 (en) * | 2015-06-24 | 2016-12-28 | David Feustel | Solar gas installation which can be operated in multiple modes |
| CN106377997A (en) * | 2016-10-17 | 2017-02-08 | 黄华丽 | Preparation of harmful gas purifying agent in air flow, and purification method and device by using purifying agent |
| CN111363764A (en) * | 2020-04-28 | 2020-07-03 | 黑龙江岑文水稻专业合作社联社 | Preparation method of biogas in alpine region |
Non-Patent Citations (9)
| Title |
|---|
| F. OSORIO 等: "Biogas purification from anaerobic digestion in a wastewater treatment plant for biofuel production", 《RENEWABLE ENERGY》 * |
| SAYAJI MEHETRE 等: "Influence of different bio-fertilizers amended Biogas Manure on Soil Microbial Population and Growth of Mungbean", 《JOURNAL OF ECO-FRIENDLY AGRICULTURE》 * |
| 北京氧气厂质监科: "《气体分析基础和方法》", 30 April 1991, 北京氧气厂质监科 * |
| 张振华 等: "变温条件下牲畜粪便与秸秆混合发酵研究", 《农机化研究》 * |
| 李京友: "《绿色联想》", 31 August 2012, 河北大学出版社 * |
| 甄峰 等: "沼气高值化利用与净化提纯技术", 《环境科学与技术》 * |
| 秦浩正: "《中学生学习辞典化学卷》", 30 September 2012, 上海世界图书出版公司 * |
| 程林: "《走进能源王国》", 31 October 2013, 山东科学技术出版社 * |
| 苏锡南: "《环境微生物学（第二版）》", 31 March 2015, 中国环境出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698287A (en) * | 2019-10-29 | 2020-01-17 | 樊江 | Preparation method of straw compound fertilizer |
| CN111363764A (en) * | 2020-04-28 | 2020-07-03 | 黑龙江岑文水稻专业合作社联社 | Preparation method of biogas in alpine region |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107475303B (en) | 2021-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Shan et al. | Additives for reducing nitrogen loss during composting: A review | |
| CN103011941B (en) | Production method of compound fertilizer | |
| CN100369868C (en) | Refined fertilizer produced from sludge and producing method thereof | |
| US6569332B2 (en) | Integrated anaerobic digester system | |
| US6299774B1 (en) | Anaerobic digester system | |
| CN108218565A (en) | Alkaline soil improver and preparation method thereof | |
| CN103740764A (en) | Functional biocatalyst for biogas fermentation and method for fermenting using catalyst | |
| MX2011010216A (en) | Method for manufacturing amino acid liquid fertilizer using livestock blood and amino acid liquid fertilizer manufactured thereby. | |
| KR20110055435A (en) | Method for manufacturing soil improvement material using livestock excrement and quicklime | |
| CN101830756A (en) | Green process for producing organic fertilizer by aerobic fermentation of multi-microorganism | |
| CN110241142A (en) | A kind of complete utilization method of Luzhou-flavor vinasse hydrothermal carbonization coupling anaerobic digestion | |
| CN107475303A (en) | A kind of preparation method of safety and environmental protection biogas | |
| KR20090025110A (en) | A mineral liquid fertilizer | |
| CN104211489A (en) | Method for preparing organic/inorganic mixed active composite fertilizer from waste fermentation broth | |
| CN105347951A (en) | Microbial fertilizer applicable to water plants and preparation method thereof | |
| CN103145457A (en) | Method for producing bio-organic fertilizer by using sheep manure | |
| He et al. | Different crystalline manganese dioxide and biochar co-conditioning aerobic composting: Reduced ammonia volatilization and improved organic fertilizer quality | |
| CN103980025B (en) | Height oozes the comprehensive reutilization method of fermented waste fluid and mud | |
| CN102432361B (en) | Method for producing high-quality active ecological organic raw material from livestock and poultry manure | |
| CN105418188A (en) | Special organic fertilizer for bayberries and production method for organic fertilizer | |
| CN106699335A (en) | Active polypeptide organic fertilizer | |
| CN106631567A (en) | Compound ferment fertilizer for watermelon seedlings | |
| CN109134003A (en) | A kind of processing technology using municipal sludge production cream fertilizer base fluid | |
| CN104973903A (en) | Production method of amino acid organic compound fertilizer | |
| CN112358350A (en) | Harmless treatment method for breeding waste |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |