CN102876414B - Preparation process for synergistic industrial biogas - Google Patents
Preparation process for synergistic industrial biogas Download PDFInfo
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- CN102876414B CN102876414B CN201210391308.4A CN201210391308A CN102876414B CN 102876414 B CN102876414 B CN 102876414B CN 201210391308 A CN201210391308 A CN 201210391308A CN 102876414 B CN102876414 B CN 102876414B
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Abstract
The invention discloses a preparation process for synergistic industrial biogas. The preparation process comprises the following steps of: 1, pressurizing raw material biogas and purifying to obtain purified biogas; 2, compressing the obtained purified biogas, and adding a synergist to obtain industrial biogas, namely A, compressing the purified biogas; B, mixing the obtained biogas and the synergist in a mixing tank device in which the synergist is filled to obtain the synergistic industrial biogas; and C, filling the obtained synergistic industrial biogas into a pressure tank for storing the industrial biogas. According to the process, the purified biogas which is subjected to pressurization and impurity removal is compressed, and then the compressed biogas and the synergist are mixed to be canned; the synergist has the catalysis and reforming effects on the purified biogas; and by the synergist, the carbon chain of the biogas can be exploded to be broken, so that the biogas can be fully combusted, the utilization rate and the heat efficiency of the biogas can be improved, and the biogas becomes the industrial biogas.
Description
Technical field
The present invention relates to a kind of preparation technology of biogas, the preparation technology who says a kind of synergy industrial methane who has more.
Background technology
At present, especially pig industry development is swift and violent for the livestock and poultry breeding industry of China, and vast pig farm and wide farmers make full use of pork chop and put ight soil development biogas industry.This biogas provides combustion gas for kitchen use by pipeline to wide farmers, replaces Sweet natural gas, electric energy to become main kitchen fuel, and minority is also for the use of illumination and marsh gas power generation.
This common biogas, although character is similar to Sweet natural gas (CNG), its CH
4content is 50-70%, other impurity CO
2for 20-30%, H
2s is 0.2-3%, and burning-point is 500 ℃, and thermal value is 20-25MJ/m
3.Because common biogas contains H
2s, slightly with foul smell taste, works as CH while therefore burning
4lower than 45% time, biogas could be lighted with naked light.
Common biogas can only be civilian or for generating, due to its CH
4content is low, and impurity is many, cannot use as industrial methane.
Summary of the invention
That the present invention solves is common biogas CH
4content is low, the many technical problems that cannot use as industrial methane of impurity, and a kind of preparation method of industrial methane is provided, and makes it can be used as industrial methane common biogas after supercharging, impurity elimination purifying, compression, synergy.
A preparation technology for synergy industrial methane, comprises and is prepared as follows step:
Step 1: to the supercharging of raw material biogas, purifying treatment, make purifying marsh gas:
A, raw material biogas is carried out to pressurized treatment, after supercharging, the pressure-controlling of raw material biogas is between 0.3MPa～1.5MPa;
B, the raw material biogas after above-mentioned supercharging is carried out to carbon dioxide removal processing, remove the carbon dioxide wherein containing;
C, the raw material biogas after above-mentioned carbon dioxide removal is carried out to desulfurization processing by desulfurizer, remove the sulfide wherein containing;
D, the raw material biogas after above-mentioned desulfurization carried out cooling and completes processed, being purified biogas;
Step 2: the above-mentioned purifying marsh gas making is compressed, adds synergistic agent, make industrial methane:
A, above-mentioned purifying marsh gas is carried out to processed compressed, the pressure of purifying marsh gas is reached between 20MPa～25MPa;
B, by the biogas of above-mentioned purification, compression, through the mixing unit that synergistic agent is housed, enter qi-promoting prescription combination treatment, make synergy industrial methane;
C, the above-mentioned synergy industrial methane making is filled in the pressure-pot entering for storage industry biogas.
Further, above-mentioned synergistic agent is to be raw material by alkyl sodium sulfonate, triethylene tetramine, Imidazole cation compound and ethanol, after being mixed by following mass fraction stirring, makes each raw material, wherein, the mass fraction of each described composition is respectively: 19～21 parts of alkyl sodium sulfonates, 23～25 parts of triethylene tetramines, 5～7 parts of Imidazole cation compounds, 49～51 parts of ethanol.
Further, the mass fraction of each composition of above-mentioned synergistic agent is respectively: 19 parts of alkyl sodium sulfonates, 23 parts of triethylene tetramines, 7 parts of Imidazole cation compounds, 51 parts of ethanol.
Further, the mass fraction of each composition of above-mentioned synergistic agent is respectively: 20 parts of alkyl sodium sulfonates, 24 parts of triethylene tetramines, 6 parts of Imidazole cation compounds, 50 parts of ethanol.
Further, the mass fraction of each composition of above-mentioned synergistic agent is respectively: 21 parts of alkyl sodium sulfonates, 25 parts of triethylene tetramines, 5 parts of Imidazole cation compounds, 49 parts of ethanol.
Known by the above-mentioned description to content of the present invention, compared to the prior art, the invention has the advantages that:
1, the present invention has added synergistic agent in the biogas after purification, supercharging, the even rapid diffusion of this synergistic agent, fully be mixed with purifying marsh gas, effect purifying marsh gas to catalysis, reformation, thereby change the combustionproperty of biogas, in this process, the carbochain of biogas can be scraped, biogas is fully burnt, to reach utilization ratio and the thermal effect that improves biogas, be industrial biogas.
2, the synergistic agent that the present invention adds in preparing the process of industrial methane, this synergistic agent can play the effects such as emulsification, purification, activation, catalysis and rapid osmotic in mixing process, synergistic agent in use, can prevent the corrosion of container and pipeline and remove dirt simultaneously, the automatically cleaning of realizing container and pipeline, prevents line clogging.
3, industrial methane provided by the invention is nontoxic non-staining clean green energy resource, and technical scheme provided by the invention is also applicable to Sweet natural gas and all kinds of petroleum gas simultaneously.
Embodiment
Embodiment mono-
A preparation technology for synergy industrial methane, comprises and is prepared as follows step:
Step 1: to the supercharging of raw material biogas, purifying treatment, make purifying marsh gas:
A, raw material biogas is carried out to pressurized treatment, after supercharging, the pressure-controlling of raw material biogas is between 0.3MPa～1.5MPa;
B, the raw material biogas after above-mentioned supercharging is carried out to carbon dioxide removal processing, remove the carbon dioxide wherein containing;
C, the raw material biogas after above-mentioned carbon dioxide removal being carried out to desulfurization processing by desulfurizer, remove the sulfide wherein containing, is mainly hydrogen sulfide, because produce rotten-egg odour during this gaseous combustion;
D, by the raw material biogas after above-mentioned desulfurization by refrigerating unit, carry out subcooling and complete processed, be purified biogas;
Step 2: the above-mentioned purifying marsh gas making is compressed, adds synergistic agent, make industrial methane:
A, above-mentioned purifying marsh gas is carried out to processed compressed, the pressure of purifying marsh gas is reached between 20MPa～25MPa;
B, by the biogas of above-mentioned purification, compression, through being housed, the mixing unit of synergistic agent enters qi-promoting prescription combination treatment, make synergy industrial methane, the even rapid diffusion of this synergistic agent, fully be mixed with purifying marsh gas, effect purifying marsh gas to catalysis, reformation, thus the combustionproperty of change biogas is fully burnt biogas;
C, the above-mentioned synergy industrial methane making is filled in the pressure-pot entering for storage industry biogas.
Above-mentioned synergistic agent is to be raw material by alkyl sodium sulfonate, triethylene tetramine, Imidazole cation compound and ethanol, after being mixed by following mass fraction stirring, makes each raw material, wherein, the mass fraction of each described composition is respectively: 19 parts of alkyl sodium sulfonates, 23 parts of triethylene tetramines, 7 parts of Imidazole cation compounds, 51 parts of ethanol.
Embodiment bis-
A preparation technology for synergy industrial methane, comprises and is prepared as follows step:
Step 1: to the supercharging of raw material biogas, purifying treatment, make purifying marsh gas:
A, raw material biogas is carried out to pressurized treatment, after supercharging, the pressure-controlling of raw material biogas is between 0.3MPa～1.5MPa;
B, the raw material biogas after above-mentioned supercharging is carried out to carbon dioxide removal processing, remove the carbon dioxide wherein containing;
C, the raw material biogas after above-mentioned carbon dioxide removal being carried out to desulfurization processing by desulfurizer, remove the sulfide wherein containing, is mainly hydrogen sulfide, because produce rotten-egg odour during this gaseous combustion;
D, by the raw material biogas after above-mentioned desulfurization by refrigerating unit, carry out subcooling and complete processed, be purified biogas;
Step 2: the above-mentioned purifying marsh gas making is compressed, adds synergistic agent, make industrial methane:
A, above-mentioned purifying marsh gas is carried out to processed compressed, the pressure of purifying marsh gas is reached between 20MPa～25MPa;
B, by the biogas of above-mentioned purification, compression, through being housed, the mixing unit of synergistic agent enters qi-promoting prescription combination treatment, make synergy industrial methane, the even rapid diffusion of this synergistic agent, fully be mixed with purifying marsh gas, effect purifying marsh gas to catalysis, reformation, thus the combustionproperty of change biogas is fully burnt biogas;
C, the above-mentioned synergy industrial methane making is filled in the pressure-pot entering for storage industry biogas.
Above-mentioned synergistic agent is to be raw material by alkyl sodium sulfonate, triethylene tetramine, Imidazole cation compound and ethanol, after being mixed by following mass fraction stirring, makes each raw material, wherein, the mass fraction of each described composition is respectively: 20 parts of alkyl sodium sulfonates, 24 parts of triethylene tetramines, 6 parts of Imidazole cation compounds, 50 parts of ethanol.
Embodiment tri-
A preparation technology for synergy industrial methane, comprises and is prepared as follows step:
Step 1: to the supercharging of raw material biogas, purifying treatment, make purifying marsh gas:
A, raw material biogas is carried out to pressurized treatment, after supercharging, the pressure-controlling of raw material biogas is between 0.3MPa～1.5MPa;
B, the raw material biogas after above-mentioned supercharging is carried out to carbon dioxide removal processing, remove the carbon dioxide wherein containing;
C, the raw material biogas after above-mentioned carbon dioxide removal being carried out to desulfurization processing by desulfurizer, remove the sulfide wherein containing, is mainly hydrogen sulfide, because produce rotten-egg odour during this gaseous combustion;
D, by the raw material biogas after above-mentioned desulfurization by refrigerating unit, carry out subcooling and complete processed, be purified biogas;
Step 2: the above-mentioned purifying marsh gas making is compressed, adds synergistic agent, make industrial methane:
A, above-mentioned purifying marsh gas is carried out to processed compressed, the pressure of purifying marsh gas is reached between 20MPa～25MPa;
B, by the biogas of above-mentioned purification, compression, through being housed, the mixing unit of synergistic agent enters qi-promoting prescription combination treatment, make synergy industrial methane, the even rapid diffusion of this synergistic agent, fully be mixed with purifying marsh gas, effect purifying marsh gas to catalysis, reformation, thus the combustionproperty of change biogas is fully burnt biogas;
C, the above-mentioned synergy industrial methane making is filled in the pressure-pot entering for storage industry biogas.
Above-mentioned synergistic agent is to be raw material by alkyl sodium sulfonate, triethylene tetramine, Imidazole cation compound and ethanol, after being mixed by following mass fraction stirring, makes each raw material, wherein, the mass fraction of each described composition is respectively: 21 parts of alkyl sodium sulfonates, 25 parts of triethylene tetramines, 5 parts of Imidazole cation compounds, 49 parts of ethanol.
The biogas that the methane of take is main component exists temperature of combustion deficiency, the shortcomings such as gross calorific value is low, but two class natural gas technical indicators in the Sweet natural gas national standard (GB 17820-2012) of the indices of the industrial methane making by the present invention and on May 11st, 2012 country's issue are similar or approaching, completely can instead of natural gas as industrial fuel gas, figure below is some main national standard technical indicators of Sweet natural gas:
| Project | Relation | Two class indexs |
| Methane (is pressed V/ VMeter) | ≥ | 95% |
| Total sulfur (in sulphur) | ≤ | 200 mg/m 3 |
| Hydrogen sulfide | ≤ | 20 mg/m 3 |
| Gross calorific value | ≥ | 31.4 MJ/ m 3 |
| Carbonic acid gas (is pressed V/ VMeter) | ≤ | 3% |
Above are only the specific embodiment of the present invention, but the design concept of invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (4)
1. a preparation technology for synergy industrial methane, is characterized in that comprising being prepared as follows step:
Step 1: to the supercharging of raw material biogas, purifying treatment, make purifying marsh gas:
A, raw material biogas is carried out to pressurized treatment, after supercharging, the pressure-controlling of raw material biogas is between 0.3MPa～1.5MPa;
B, the raw material biogas after above-mentioned supercharging is carried out to carbon dioxide removal processing, remove the carbon dioxide wherein containing;
C, the raw material biogas after above-mentioned carbon dioxide removal is carried out to desulfurization processing by desulfurizer, remove the sulfide wherein containing;
D, the raw material biogas after above-mentioned desulfurization carried out cooling and completes processed, being purified biogas;
Step 2: the above-mentioned purifying marsh gas making is compressed, adds synergistic agent, make industrial methane:
A, above-mentioned purifying marsh gas is carried out to processed compressed, the pressure of purifying marsh gas is reached between 20MPa～25MPa;
B, by the biogas of above-mentioned purification, compression, through the mixing unit that synergistic agent is housed, enter qi-promoting prescription combination treatment, make synergy industrial methane;
C, the above-mentioned synergy industrial methane making is filled in the pressure-pot entering for storage industry biogas;
Described synergistic agent is to be raw material by alkyl sodium sulfonate, triethylene tetramine, Imidazole cation compound and ethanol, after being mixed by following mass fraction stirring, makes each raw material, wherein, the mass fraction of each described composition is respectively: 19～21 parts of alkyl sodium sulfonates, 23～25 parts of triethylene tetramines, 5～7 parts of Imidazole cation compounds, 49～51 parts of ethanol.
2. the preparation technology of a kind of synergy industrial methane according to claim 1, is characterized in that: the mass fraction of each composition of described synergistic agent is respectively: 19 parts of alkyl sodium sulfonates, 23 parts of triethylene tetramines, 7 parts of Imidazole cation compounds, 51 parts of ethanol.
3. the preparation technology of a kind of synergy industrial methane according to claim 1, is characterized in that: the mass fraction of each composition of described synergistic agent is respectively: 20 parts of alkyl sodium sulfonates, 24 parts of triethylene tetramines, 6 parts of Imidazole cation compounds, 50 parts of ethanol.
4. the preparation technology of a kind of synergy industrial methane according to claim 1, is characterized in that: the mass fraction of each composition of described synergistic agent is respectively: 21 parts of alkyl sodium sulfonates, 25 parts of triethylene tetramines, 5 parts of Imidazole cation compounds, 49 parts of ethanol.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104437008A (en) * | 2014-11-28 | 2015-03-25 | 南京工业大学 | Method for preparing bio-methane by purifying biogas |
| CN107083264A (en) * | 2017-07-04 | 2017-08-22 | 合肥择浚电气设备有限公司 | A kind of purifying technique for industrial methane |
| CN111500647A (en) * | 2020-05-21 | 2020-08-07 | 新沂百川畅银新能源有限公司 | Biogas anaerobic preparation process based on agricultural and forestry wastes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940034A (en) * | 2005-09-30 | 2007-04-04 | 郝秉雨 | Synergist for improving natural gas burning temperature and its apparatus |
| CN101089152A (en) * | 2007-07-10 | 2007-12-19 | 熊世平 | Industrial fuel gas for metal welding and cutting in high efficiency and low consumption |
| CN101475859A (en) * | 2009-01-21 | 2009-07-08 | 东莞市康达机电工程有限公司 | Method and apparatus for preparing sulfur-free natural gas from methane |
| CN101643678A (en) * | 2008-12-23 | 2010-02-10 | 孙中伟 | Industrial gas synergist |
| CN101805646A (en) * | 2010-04-30 | 2010-08-18 | 李勇伯 | Synergistic natural gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206039A (en) * | 1997-07-18 | 1999-01-27 | 曾兆祥 | Acetylene substituting high-energy fuel gas and its additive |
| EP2079819A2 (en) * | 2006-11-01 | 2009-07-22 | Bharat Petroleum Corporation Limited | Hydrocarbon fuel compositions |
| CN201089152Y (en) * | 2007-08-09 | 2008-07-23 | 成都飞机工业（集团）有限责任公司 | Pneumatic paring chisel gun |
| CN102229826A (en) * | 2011-06-14 | 2011-11-02 | 济源济钢石油有限公司 | Metal cutting gas |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940034A (en) * | 2005-09-30 | 2007-04-04 | 郝秉雨 | Synergist for improving natural gas burning temperature and its apparatus |
| CN101089152A (en) * | 2007-07-10 | 2007-12-19 | 熊世平 | Industrial fuel gas for metal welding and cutting in high efficiency and low consumption |
| CN101643678A (en) * | 2008-12-23 | 2010-02-10 | 孙中伟 | Industrial gas synergist |
| CN101475859A (en) * | 2009-01-21 | 2009-07-08 | 东莞市康达机电工程有限公司 | Method and apparatus for preparing sulfur-free natural gas from methane |
| CN101805646A (en) * | 2010-04-30 | 2010-08-18 | 李勇伯 | Synergistic natural gas |
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