CN112899005A - Carbonization treatment method for biomass material - Google Patents
Carbonization treatment method for biomass material Download PDFInfo
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- CN112899005A CN112899005A CN202110306710.7A CN202110306710A CN112899005A CN 112899005 A CN112899005 A CN 112899005A CN 202110306710 A CN202110306710 A CN 202110306710A CN 112899005 A CN112899005 A CN 112899005A
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- China
- Prior art keywords
- carbonization
- treatment method
- straws
- biomass material
- ball blocks
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/08—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form in the form of briquettes, lumps and the like
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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
- 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
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a biomass material carbonization treatment method, belonging to the technical field of biological material treatment; the invention comprises the following steps: firstly, crushing straws, and atomizing to keep the water content of the straws at 3-5% of mass fraction; secondly, carrying out extrusion forming on the atomized straws to form ball blocks with the diameter of 30-55 mm; thirdly, after the ball blocks are subjected to microwave treatment, the average temperature of the ball blocks is not lower than 45 ℃; fourthly, putting the treated ball blocks into a carbonization furnace for carbonization; fifthly, keeping the stability of the carbonized ball mass at 60-120 ℃ for 15-25 minutes under the anaerobic condition; calcium carbonate powder is sprayed in the process. The method has the advantages of high biomass utilization rate, high energy recovery rate, good finished product caking effect, low possibility of adhesion, short carbonization time, low equipment requirement for subsequent treatment, effective reduction of production cost and large-scale preparation of the environment-friendly biomass carbon block with the advantages of high mechanical strength, good combustion performance, low pollution emission and the like.
Description
Technical Field
The invention relates to a biomass material treatment technology, in particular to a biomass material carbonization treatment method, and belongs to the technical field of straw recycling.
Background
The biomass particle carbonized fuel is a novel fuel continuously produced by various biomasses through complex processes of drying, transferring, mixing, molding, carbonizing and the like, has the same property with coal, is a high-efficiency, renewable and environment-friendly biomass fuel for various combustors, biomass boilers, melting furnaces, biomass power generation and the like, and is a zero-pollution fuel in international certification.
The biomass is the fourth largest energy source following coal, petroleum and natural gas, has the advantages of cleanness, reproducibility, wide distribution, net zero emission of carbon dioxide and the like, and has lower burning point, ash content, sulfur content and heat value and higher content of carbon, oxygen and volatile components compared with coal.
However, the prior application of the biomass fuel has the following problems: the biomass fuel carbonization device has the advantages of low energy density, high transportation cost, easy influence of raw material types, particle sizes, water content, carbonization temperature, heating rate, heat preservation time and the like in the carbonization process, incomplete existing biomass carbonization utilization equipment and technology and high cost.
Disclosure of Invention
The invention provides a novel biomass material carbonization treatment method, which can effectively improve the carbonization effect by properly pretreating the raw material before carbonization so as to solve the technical problem of high cost of carbonized biomass raw material in the prior art.
The invention provides a biomass material carbonization treatment method, which comprises the following steps:
firstly, crushing straws, and atomizing to keep the water content of the straws at 3-5% of mass fraction;
secondly, carrying out extrusion forming on the atomized straws to form ball blocks with the diameter of 30-55 mm;
thirdly, after the ball blocks are subjected to microwave treatment, the average temperature of the ball blocks is not lower than 45 ℃;
fourthly, putting the treated ball blocks into a carbonization furnace for carbonization;
fifthly, keeping the stability of the carbonized ball mass at 60-120 ℃ for 15-25 minutes under the anaerobic condition; calcium carbonate powder is sprayed in the process.
The carbonization treatment method of the biomass material, wherein in the fourth step, the carbonization condition is that the residence time is 30-40 minutes at the temperature of 420-540 ℃.
The biomass material carbonization treatment method comprises the step of stirring the atomized straws at the rotating speed of 40-60r/min for 30-50min, and finally carrying out cold press molding under the pressure of 30-45 MPa.
The carbonization treatment method of the biomass material, wherein in the second step, the biological binder and the curing agent with the mass fraction of 0.5-2% of straw are added in the atomization process.
The method for carbonizing the biomass material comprises the third step, wherein the power of the microwave treatment is 600- & lt800 & gt W/kg of raw material, and the time of the microwave treatment is 180- & lt220 & gt seconds.
The carbonization treatment method of the biomass material, wherein the stirring is carried out at a rotating speed of 10-20r/min during the microwave treatment.
The method has the advantages of high biomass utilization rate, high energy recovery rate, good finished product caking effect, low possibility of adhesion, short carbonization time, low equipment requirement for subsequent treatment, effective reduction of production cost and large-scale preparation of the environment-friendly biomass carbon block with the advantages of high mechanical strength, good combustion performance, low pollution emission and the like.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the present invention.
Detailed Description
The invention provides a biomass material carbonization treatment method, which comprises the following steps:
firstly, crushing straws, and atomizing to keep the water content of the straws at 3-5% of mass fraction;
secondly, carrying out extrusion forming on the atomized straws to form ball blocks with the diameter of 30-55 mm;
thirdly, after the ball blocks are subjected to microwave treatment, the average temperature of the ball blocks is not lower than 45 ℃;
fourthly, putting the treated ball blocks into a carbonization furnace for carbonization;
fifthly, keeping the stability of the carbonized ball mass at 60-120 ℃ for 15-25 minutes under the anaerobic condition; calcium carbonate powder is sprayed in the process.
Preferably, in the fourth step, the carbonization condition is that the residence time is 30-40 minutes under the conditions of 420-540 ℃.
In the carbonization treatment method of the biomass material, in the second step, the atomized straws are stirred at the rotating speed of 40-60r/min for 30-50min, and finally, the straws are cold-pressed and molded under the pressure of 30-45 MPa.
Generally, in the second step, biological adhesive and curing agent with the mass fraction of 0.5-2% of straw are added in the atomization process.
In the method for carbonizing the biomass material in the embodiment, in the third step, the power of the microwave treatment is 600-.
In the carbonization treatment method of the biomass material of the embodiment, the stirring is performed at a rotation speed of 10 to 20r/min in the microwave treatment process.
The method has the advantages of high biomass utilization rate, high energy recovery rate, good finished product caking effect, low possibility of adhesion, short carbonization time, low equipment requirement for subsequent treatment, effective reduction of production cost and large-scale preparation of the environment-friendly biomass carbon block with the advantages of high mechanical strength, good combustion performance, low pollution emission and the like.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art is: specific processing methods, and combinations of the methods described in the various embodiments of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A biomass material carbonization treatment method is characterized by comprising the following steps:
firstly, crushing straws, and atomizing to keep the water content of the straws at 3-5% of mass fraction;
secondly, carrying out extrusion forming on the atomized straws to form ball blocks with the diameter of 30-55 mm;
thirdly, after the ball blocks are subjected to microwave treatment, the average temperature of the ball blocks is not lower than 45 ℃;
fourthly, putting the treated ball blocks into a carbonization furnace for carbonization;
fifthly, keeping the stability of the carbonized ball mass at 60-120 ℃ for 15-25 minutes under the anaerobic condition; calcium carbonate powder is sprayed in the process.
2. The carbonization treatment method of biomass material as claimed in claim 1, wherein in the fourth step, the carbonization condition is that the residence time is 30-40 minutes at 420-540 ℃.
3. The carbonization treatment method of biomass material according to claim 1, wherein in the second step, the atomized straw is stirred at a rotation speed of 40-60r/min for 30-50min, and then is finally cold-pressed and molded under a pressure of 30-45 MPa.
4. The carbonization treatment method of biomass materials according to claim 1, characterized in that in the second step, biological binder and curing agent with straw mass fraction of 0.5-2% are added in the atomization process.
5. The carbonization treatment method of biomass material as claimed in claim 1, wherein the power of the microwave treatment in the third step is 600-800W per kg of raw material, and the time of the microwave treatment is 180-220 s.
6. The carbonization treatment method of biomass material according to claim 5, wherein the stirring is performed at a rotation speed of 10-20r/min during the microwave treatment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110306710.7A CN112899005A (en) | 2021-03-23 | 2021-03-23 | Carbonization treatment method for biomass material |
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| CN202110306710.7A CN112899005A (en) | 2021-03-23 | 2021-03-23 | Carbonization treatment method for biomass material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107789A2 (en) * | 2010-03-04 | 2011-09-09 | Energy Environmental Limited | Pyrolysis of biomass |
| DE102012001660A1 (en) * | 2012-01-28 | 2013-08-01 | Heinz Brümmer | Preparing hydrocarbon-containing substances for improving depolymerization, comprises preparing moldings made of hydrocarbon-containing substances under high mechanical pressure for producing liquid, solid and gaseous energy source |
| CN107365615A (en) * | 2017-08-23 | 2017-11-21 | 黄山市巨龙生物能源科技有限公司 | A kind of preparation method of biological particles charcoal |
| CN110835541A (en) * | 2019-10-29 | 2020-02-25 | 广州环投设计研究院有限公司 | Resource utilization treatment method for Chinese herbal medicine dregs |
-
2021
- 2021-03-23 CN CN202110306710.7A patent/CN112899005A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107789A2 (en) * | 2010-03-04 | 2011-09-09 | Energy Environmental Limited | Pyrolysis of biomass |
| DE102012001660A1 (en) * | 2012-01-28 | 2013-08-01 | Heinz Brümmer | Preparing hydrocarbon-containing substances for improving depolymerization, comprises preparing moldings made of hydrocarbon-containing substances under high mechanical pressure for producing liquid, solid and gaseous energy source |
| CN107365615A (en) * | 2017-08-23 | 2017-11-21 | 黄山市巨龙生物能源科技有限公司 | A kind of preparation method of biological particles charcoal |
| CN110835541A (en) * | 2019-10-29 | 2020-02-25 | 广州环投设计研究院有限公司 | Resource utilization treatment method for Chinese herbal medicine dregs |
Non-Patent Citations (2)
| Title |
|---|
| 王海斌等主编: "《第三代中国茶：速溶茶》", 31 December 2017, 福州：福建科学技术出版社 * |
| 甄广印编著: "《农村生物质综合处理与资源化利用技术》", 31 January 2019, 北京：冶金工业出版社 * |
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