CN101545398A - Biomass power generation method - Google Patents
Biomass power generation method Download PDFInfo
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- CN101545398A CN101545398A CN200910014870A CN200910014870A CN101545398A CN 101545398 A CN101545398 A CN 101545398A CN 200910014870 A CN200910014870 A CN 200910014870A CN 200910014870 A CN200910014870 A CN 200910014870A CN 101545398 A CN101545398 A CN 101545398A
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- waste gas
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The invention relates to a biomass power generation method capable of effectively utilizing biomass for power generation. Biomass raw materials are dried, pulverized and solidified to be moulded in sequence; the molded raw materials are divided into gasified raw materials and carbonized and pyrolyzed raw materials; firstly, the gasified raw materials are processed by the operation of aerobic gasification to generate gasified fuel gas and power generation biogas; the power generation biogas is purified and separated to generate pyroligneous, wood tar and biomass fuel gas; the gasified fuel gas generated by the aerobic gasification is utilized to heat the carbonized and pyrolyzed raw materials so than the carbonized and pyrolyzed raw materials is pyrolyzed at high temperature to generate biomass carbon and pyrolyzed biogas; the pyrolyzed biogas is purified and separated to generate the pyroligneous, the wood tar and the biomass fuel gas; and the biomass fuel gas is used for an oil-electric engine to generate electricity.
Description
Technical field
The present invention relates to a kind of electricity-generating method, relate in particular to a kind of biomass generation method.
Background technique
Living beings utilization is at ordinary times at first carried out drying with biomass material; Pulverize after the drying; Carry out solidifying after the pulverizing; Produce charcoal and the waste gas of subsidiary generation after the moulding; Waste gas is put into atmosphere, has wasted resource, has polluted environment; Therefore, utilize living beings in this way, utilization ratio is low.
Summary of the invention
The purpose of this invention is to provide a kind of biomass generation method that can effectively utilize living beings to generate electricity.
To achieve these goals, the technological scheme that the present invention takes is: a kind of biomass generation method, and its characteristics are: at first biomass material is carried out drying; Pulverize afterwards; Then with the raw material solidifying; Shaping raw material is divided into gasified raw material and destructive distillation pyrolysis feed, at first gasified raw material is carried out the aerobic gasification, produces gasification burning and the waste gas of generating; The waste gas that generates electricity is carried out purification separation, produce ligno acetic acid, wood tar, biological fuel gas; The gasification burning that utilizes the aerobic gasification to produce heats the destructive distillation pyrolysis feed makes it carry out high temperature pyrolysis, thereby produces biomass carbon, the waste gas of pyrolysis, and the waste gas of pyrolysis carries out purification separation, produces ligno acetic acid, wood tar, biological fuel gas; Biological fuel gas generates electricity for internal combustion engine generator.
Advantageous effect of the present invention is: the present invention can make full use of living beings and produce clean charcoal, wood tar, ligno acetic acid, biological fuel gas and generate electricity; Increase cure process among the present invention, can reduce the raw material volume, increase the volume of stove, effectively improve wood tar, ligno acetic acid output, the biological fuel gas calorific value that is produced is higher, reaches more than the 20MJ/kg; The present invention can reduce because of the impure damage to internal combustion engine generator of biological fuel gas, improves the utilization ratio of biological fuel gas; Main feature of the present invention is to produce heat when utilizing biomass material behind the solidifying to carry out the aerobic gasification, and raw material is carried out high temperature pyrolysis with this heat, the present invention has made full use of heat energy, and the electricity that sends provides electric energy for system, makes whole system reach the closed circulation of energy; The present invention has made full use of waste gas, and is therefore pollution-free; Therefore the present invention can make full use of living beings, and energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a kind of process flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
A kind of biomass generation method as shown in Figure 1, at first carries out drying with biomass material; Pulverize afterwards; Then with the raw material solidifying; Shaping raw material is divided into gasified raw material and destructive distillation pyrolysis feed, at first gasified raw material is carried out the aerobic gasification, produces gasification burning and the waste gas of generating; The waste gas that generates electricity is carried out purification separation, produce ligno acetic acid, wood tar, biological fuel gas; The gasification burning that utilizes the aerobic gasification to produce heats the destructive distillation pyrolysis feed makes it carry out high temperature pyrolysis, thereby produces biomass carbon, the waste gas of pyrolysis, and the waste gas of pyrolysis carries out purification separation, produces ligno acetic acid, wood tar, biological fuel gas; Biological fuel gas generates electricity for internal combustion engine generator.
Pyrolysis temperature is 400-600 ℃ among the present invention, purifies among the present invention and can adopt the level Four purification craft, is divided into: the first order purifies to respectively the waste gas of described pyrolysis, the waste gas of generating being carried out dedusting and obtains the waste gas of dedusting; The condensed fluid that the second level purifies to removing in the waste gas of dedusting obtains the waste gas of condensation; The third level purifies to the waste gas of condensation being carried out alkali cleaning and isolates described ligno acetic acid and the waste gas of alkali cleaning; It is that the waste gas of alkali cleaning obtains described biological fuel gas and wood tar respectively through pressurization, gas-liquid separation that the fourth stage purifies.
In the present invention, the level Four purification craft adopts level Four alkali cleaning circulation purification craft, is divided into: the waste gas of described pyrolysis, the waste gas of generating that are come out by the pyrolysis still enter circumfluent cyclone, and high-effective dust-removing obtains the waste gas of dedusting; The waste gas of dedusting enters cooling separator and removes condensed fluid and obtain the waste gas of condensation then; The waste gas of condensation enters the alkali cleaning neutralizing tower again, isolates the waste gas of described ligno acetic acid and alkali cleaning; The waste gas of alkali cleaning enters gas-liquid separator by the chilling scrubber tube and obtains described biological fuel gas and wood tar after the Roots blower pressurization.
The gasification burning that aerobic gasification produces among the present invention, the pyrolyzing furnace that uses for the high temperature pyrolysis process provides reliable thermal source, need not to use the clean higher calorific value biological fuel gas behind the high temperature pyrolysis, and the raising generated energy reduces cost; Owing to after the raw material pulverizing of using among the present invention and carry out solidifying, can effectively reduce the volume of the gasification oven that uses in the aerobic gasification, can improve the gas production of the waste gas of generating; Residual gas directly enters cleaning system and purifies, and internal combustion engine generator generates electricity then, accomplishes that 100% utilizes.
The inflammable gas calorific value that biomass cracking obtains in the prior art is 15MJ/M
3, the charcoal calorific value is 7000 kilocalories, H in the biological fuel gas that produces among the present invention
2, CH
4, CO composition volume accounts for the rising of the ratio of total volume along with temperature, the CO volume accounts for the ratio of total volume and brings up to 72.7%, H by 62.8%
2, CH
4The volume sum accounts for the ratio of total volume and further brings up to 54.1% by 36.71%, and the calorific value of biological fuel gas can be brought up to 20MJ/M
3More than, the charcoal calorific value can improve 8-10%.
The biological fuel gas that existing biomass cracking produces need purify, purify general one-level or the two-step purification of adopting, inflammable gas after the purification contains impurity such as wood tar, dust, utilize this inflammable gas to generate electricity and to bring certain infringement to generator, the present invention can take level Four alkali cleaning circulation purification separation technology, biological fuel gas purity height after the purification, dust and tar content are lower than 5mg/m
3, be difficult for coking during generating, reduced infringement to generator.
By technology of the present invention, as shown in Figure 1, the biological fuel gas gas storage holder can change the double-deck membrane vesicle formula of macromolecule gas storage holder into by steel structure, and cost reduces about 20%; Adopt the microcomputerized control internal pressure, more science, convenience.
By technology of the present invention, generator set changes internal combustion engine generator into by gas turbine, simplifies the generating link, raises the efficiency about 10%.
By technology of the present invention, biomass material per ton can be produced 300 kilograms in charcoal, 50 kilograms in wood tar, 250 kilograms in ligno acetic acid.
By the present invention, reach 100% and utilize living beings, make the biological fuel gas calorific value by 15MJ/m
3Bring up to 20MJ/m
3, dust and tar content are lower than 5mg/m
3, make biological fuel gas safer, be difficult for producing coking during simultaneously for the internal combustion engine generator generating.
Claims (3)
1, a kind of biomass generation method is characterized in that: at first biomass material is carried out drying; Pulverize afterwards; Then with the raw material solidifying; Shaping raw material is divided into gasified raw material and destructive distillation pyrolysis feed, at first gasified raw material is carried out the aerobic gasification, produces gasification burning and the waste gas of generating; The waste gas that generates electricity is carried out purification separation, produce ligno acetic acid, wood tar, biological fuel gas; The gasification burning that utilizes the aerobic gasification to produce heats the destructive distillation pyrolysis feed makes it carry out high temperature pyrolysis, thereby produces biomass carbon, the waste gas of pyrolysis, and the waste gas of pyrolysis carries out purification separation, produces ligno acetic acid, wood tar, biological fuel gas; Biological fuel gas generates electricity for internal combustion engine generator.
2, according to claim 1, it is characterized in that: described pyrolysis temperature is 400-600 ℃.
3, according to claim 1 and 2, it is characterized in that: the level Four purification craft is adopted in described purification, is divided into: the first order purifies to respectively the waste gas of described pyrolysis, the waste gas of generating being carried out dedusting and obtains the waste gas of dedusting; The condensed fluid that the second level purifies to removing in the waste gas of dedusting obtains the waste gas of condensation; The third level purifies to the waste gas of condensation being carried out alkali cleaning and isolates described ligno acetic acid and the waste gas of alkali cleaning; It is that the waste gas of alkali cleaning obtains described biological fuel gas and wood tar respectively through pressurization, gas-liquid separation that the fourth stage purifies.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910014870A CN101545398A (en) | 2009-05-01 | 2009-05-01 | Biomass power generation method |
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| CN200910014870A CN101545398A (en) | 2009-05-01 | 2009-05-01 | Biomass power generation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093905A (en) * | 2010-06-30 | 2011-06-15 | 广州迪森热能技术股份有限公司 | Method for extracting wood tar from ecological oil |
| CN102093906A (en) * | 2010-06-30 | 2011-06-15 | 广州迪森热能技术股份有限公司 | Method for extracting biomass essential liquid by utilizing ecological oil |
| CN102776009A (en) * | 2012-08-15 | 2012-11-14 | 中国科学院广州能源研究所 | Process for industrially producing carbon, gas, oil and electricity through biomass energy forming and destructive distillation |
| CN102786970A (en) * | 2012-09-06 | 2012-11-21 | 天津德塔生态炭发展有限公司 | Continuous and aerobic fast carbonization process of crop straws |
| CN104059680A (en) * | 2014-07-01 | 2014-09-24 | 叶安生 | Biomass dry distillation air supply system |
| CN104194835A (en) * | 2014-08-18 | 2014-12-10 | 苏州新协力环保科技有限公司 | Biomass gasifying power generation method |
| CN105344692A (en) * | 2014-08-20 | 2016-02-24 | 福建正仁环保有限公司 | Process for preparing quick lime from garbage pyrolysis gas |
-
2009
- 2009-05-01 CN CN200910014870A patent/CN101545398A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093905A (en) * | 2010-06-30 | 2011-06-15 | 广州迪森热能技术股份有限公司 | Method for extracting wood tar from ecological oil |
| CN102093906A (en) * | 2010-06-30 | 2011-06-15 | 广州迪森热能技术股份有限公司 | Method for extracting biomass essential liquid by utilizing ecological oil |
| CN102776009A (en) * | 2012-08-15 | 2012-11-14 | 中国科学院广州能源研究所 | Process for industrially producing carbon, gas, oil and electricity through biomass energy forming and destructive distillation |
| CN102776009B (en) * | 2012-08-15 | 2016-01-20 | 中国科学院广州能源研究所 | Biomass energy is shaping, charcoal is produced in pyrogenation and carbonization industrialization, the device of gas, oil, electricity |
| CN102786970A (en) * | 2012-09-06 | 2012-11-21 | 天津德塔生态炭发展有限公司 | Continuous and aerobic fast carbonization process of crop straws |
| CN104059680A (en) * | 2014-07-01 | 2014-09-24 | 叶安生 | Biomass dry distillation air supply system |
| CN104194835A (en) * | 2014-08-18 | 2014-12-10 | 苏州新协力环保科技有限公司 | Biomass gasifying power generation method |
| CN105344692A (en) * | 2014-08-20 | 2016-02-24 | 福建正仁环保有限公司 | Process for preparing quick lime from garbage pyrolysis gas |
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