CN103555385A - Crop straw molded fuel and preparation method thereof - Google Patents
Crop straw molded fuel and preparation method thereof Download PDFInfo
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- CN103555385A CN103555385A CN201310378580.3A CN201310378580A CN103555385A CN 103555385 A CN103555385 A CN 103555385A CN 201310378580 A CN201310378580 A CN 201310378580A CN 103555385 A CN103555385 A CN 103555385A
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- fuel
- crop straw
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- charcoal
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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
-
- 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
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a crop straw molded fuel and a preparation method thereof. Crop straws and charcoal are mixed and molded to prepare a fuel for the first time, and the produced crop straw molded fuel has a calorific value being above 34% higher than that the calorific value of present crop straw molded fuels, and is a high-quality clean fuel.
Description
Technical field
The invention belongs to biomass fuel technical field, be specifically related to a kind of crop stalk shaped fuel and preparation method thereof.
Background technology
The calorific value of the Lower heat value of existing crop stalk (KJ/Kg) is respectively: beanstalk 16157, straw 17636, corn stalk 17746, sorghum stalks 15066, wheat straw 18532 etc., it is a kind of low-grade fuel, temperature of combustion is low, and firepower is little, and application is restricted.Therefore the crop straw-formed fuel of, researching and developing a kind of high heating value seems of far-reaching significance.
Xylophyta carries out dehydration and deoxidation by low temperature (300～350 ℃) thermo-cracking, changes into charcoal, and fixed carbon content is 73.1%, and thermal value is 31140KJ/Kg.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, and crop straw-formed fuel of a kind of high heating value and preparation method thereof is provided.
In order to achieve the above object, technical scheme provided by the invention is:
Described crop straw-formed fuel comprises the component of following weight percent:
Agricultural crop straw 30%～70%, is preferably 50%;
Charcoal 30%～70%, is preferably 50%.
Wherein, described agricultural crop straw is beanstalk, straw, corn stalk, sorghum stalks or wheat straw etc.
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) crop stalk being ground into diameter is 3～7 millimeters, is preferably the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the particle of 0.1～3 millimeter;
(3) by described weight percent, agricultural crop straw and charcoal are mixed, the water content of controlling mixture is 11%～15%, is preferably 13%; When water content is lower than 13% time, add a small amount of water, make it reach 13%; When water content is higher than 13% time, add a small amount of dry crop stalk and charcoal, be 13%; Described water content refers to the mass percentage content of moisture in mixture;
(4) mixture after stirring is passed through to stamping machine impact briquetting or annular grinder, screw extruder extrusion molding.
The present invention is first by agricultural crop straw and charcoal mixing moulding fuel made, and the crop stalk shaped fuel of producing has improved more than 34% than the calorific value of existing crop stalk shaped fuel, a kind of high-quality clean fuel.
Embodiment
Embodiment 1
Described crop straw-formed fuel comprises the component of following weight percent:
Straw 50%;
Charcoal 50%.
Embodiment 2
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) rice straw powder being broken into diameter is the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the small-particle of 0.1～3 millimeter;
(3) press weight percent described in embodiment 1 straw and charcoal are mixed, the water content of controlling mixture is 13%;
(4) mixture after stirring is passed through to stamping machine impact briquetting.
The crop straw-formed fuel calorific value of producing is analyzed as shown in table 1.
Table 1
| ? | Calorific value (KJ/Kg) |
| Straw | 17636 |
| Charcoal | 31140 |
| Weight percent | Each is 50% years old |
| Crop stalk shaped fuel | 24388 |
| Than exceeding with the shaped fuel calorific value that pure straw is produced | 6752 |
| Exceed per-cent | 38.29% |
Embodiment 3
Described crop straw-formed fuel comprises the component of following weight percent:
Beanstalk 50%;
Charcoal 50%.
Embodiment 4
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) soya bean stem meal being broken into diameter is the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the small-particle of 0.1～3 millimeter;
(3) press weight percent described in embodiment 3 beanstalk and charcoal are mixed, the water content of controlling mixture is 13%;
(4) mixture after stirring is passed through to stamping machine impact briquetting.
The crop straw-formed fuel calorific value of producing is analyzed as shown in table 2.
Table 2
| ? | Calorific value (KJ/Kg) |
| Beanstalk | 16157 |
| Charcoal | 31140 |
| Weight percent | Each is 50% years old |
| Crop stalk shaped fuel | 23648.5 |
| Than exceeding with the shaped fuel calorific value that pure beanstalk is produced | 7491.5 |
| Exceed per-cent | 46.37% |
Embodiment 5
Described crop straw-formed fuel comprises the component of following weight percent:
Corn stalk 50%;
Charcoal 50%.
Embodiment 6
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) corn stalk powder being broken into diameter is the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the small-particle of 0.1～3 millimeter;
(3) press weight percent described in embodiment 5 corn stalk and charcoal are mixed, the water content of controlling mixture is 13%;
(4) mixture after stirring is passed through to stamping machine impact briquetting.
The crop straw-formed fuel calorific value of producing is analyzed as shown in table 3.
Table 3
Embodiment 7
Described crop straw-formed fuel comprises the component of following weight percent:
Sorghum stalks 50%;
Charcoal 50%.
Embodiment 8
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) sorghum stalks being ground into diameter is the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the small-particle of 0.1～3 millimeter;
(3) press weight percent described in embodiment 7 sorghum stalks and charcoal are mixed, the water content of controlling mixture is 13%;
(4) mixture after stirring is passed through to screw extruder extrusion molding.
The crop straw-formed fuel calorific value of producing is analyzed as shown in table 4.
Table 4
| ? | Calorific value (KJ/Kg) |
| Sorghum stalks | 15066 |
| Charcoal | 31140 |
| Weight percent | Each is 50% years old |
| Crop stalk shaped fuel | 23103 |
| Than exceeding with the shaped fuel calorific value that pure sorghum stalks are produced | 8037 |
| Exceed per-cent | 53.35% |
Embodiment 9
Described crop straw-formed fuel comprises the component of following weight percent:
Wheat straw 50%;
Charcoal 50%.
Embodiment 10
The method of preparing above-mentioned crop straw-formed fuel, comprises the steps:
(1) wheat straw being ground into diameter is the filament of 5 millimeters;
(2) wood charcoal powder being broken into particle diameter is the small-particle of 0.1～3 millimeter;
(3) press weight percent described in embodiment 9 wheat straw and charcoal are mixed, the water content of controlling mixture is 13%;
(4) mixture after stirring is passed through to screw extruder extrusion molding.
The crop straw-formed fuel calorific value of producing is analyzed as shown in table 5.
Table 5
| ? | Calorific value (KJ/Kg) |
| Wheat straw | 18532 |
| Charcoal | 31140 |
| Weight percent | Each is 50% years old |
| Crop stalk shaped fuel | 24836 |
| Than exceeding with the shaped fuel calorific value that pure wheat straw is produced | 6304 |
| Exceed per-cent | 34.02% |
Claims (6)
1. a crop straw-formed fuel, is characterized in that, described fuel comprises the component of following weight percent:
Agricultural crop straw 30%～70%;
Charcoal 30%～70%.
2. fuel as claimed in claim 1, is characterized in that, described fuel comprises the component of following weight percent:
Agricultural crop straw 50%;
Charcoal 50%.
3. fuel as claimed in claim 1, is characterized in that, described agricultural crop straw is beanstalk, straw, corn stalk, sorghum stalks or wheat straw.
4. a method of preparing fuel as described in claims 1 to 3 any one, is characterized in that, described method comprises the steps:
(1) crop stalk being ground into diameter is the filament of 3～7 millimeters;
(2) wood charcoal powder being broken into particle diameter is the particle of 0.1～3 millimeter;
(3) by described weight percent, agricultural crop straw and charcoal are mixed, the water content of controlling mixture is 11%～15%;
(4) by the mixture extrusion molding after stirring.
5. method as claimed in claim 4, is characterized in that, it is the filament of 5 millimeters that described step (1) formula is ground into length by crop stalk.
6. method as claimed in claim 4, is characterized in that, the water content of controlling mixture in step (3) is 13%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378580.3A CN103555385A (en) | 2013-08-27 | 2013-08-27 | Crop straw molded fuel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378580.3A CN103555385A (en) | 2013-08-27 | 2013-08-27 | Crop straw molded fuel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103555385A true CN103555385A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310378580.3A Pending CN103555385A (en) | 2013-08-27 | 2013-08-27 | Crop straw molded fuel and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062601A (en) * | 2015-08-18 | 2015-11-18 | 李兴 | Preparation method and system for green carbon containing biomass |
| CN106753673A (en) * | 2017-01-05 | 2017-05-31 | 安徽润发生物能源科技有限公司 | A kind of stalk processes fuel |
| CN109762618A (en) * | 2019-01-24 | 2019-05-17 | 太原科瑞康洁净能源有限公司 | A kind of production method of crop straw-formed fuel |
Citations (5)
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|---|---|---|---|---|
| CN85103226A (en) * | 1985-04-23 | 1986-11-05 | 卡洛兰巴有限公司 | Block fuel |
| CN101130707A (en) * | 2007-10-01 | 2008-02-27 | 朱振刚 | Environment protection type biomass bar fuel for firing and production technology of the same |
| CN101225341A (en) * | 2008-02-21 | 2008-07-23 | 丁恩德 | Method for producing bio-coal |
| KR20100067399A (en) * | 2008-12-11 | 2010-06-21 | 김영세 | Pellet fuel for roasting meat using rice straw and manufacturing method thereof |
| CN102994189A (en) * | 2012-12-18 | 2013-03-27 | 刘波 | Compound fuel and production method thereof |
-
2013
- 2013-08-27 CN CN201310378580.3A patent/CN103555385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103226A (en) * | 1985-04-23 | 1986-11-05 | 卡洛兰巴有限公司 | Block fuel |
| CN101130707A (en) * | 2007-10-01 | 2008-02-27 | 朱振刚 | Environment protection type biomass bar fuel for firing and production technology of the same |
| CN101225341A (en) * | 2008-02-21 | 2008-07-23 | 丁恩德 | Method for producing bio-coal |
| KR20100067399A (en) * | 2008-12-11 | 2010-06-21 | 김영세 | Pellet fuel for roasting meat using rice straw and manufacturing method thereof |
| CN102994189A (en) * | 2012-12-18 | 2013-03-27 | 刘波 | Compound fuel and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 鄂佐星等: "《秸秆固体成型燃料技术》", 31 July 2009, article "秸秆固体成型燃料技术", pages: 34 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062601A (en) * | 2015-08-18 | 2015-11-18 | 李兴 | Preparation method and system for green carbon containing biomass |
| CN106753673A (en) * | 2017-01-05 | 2017-05-31 | 安徽润发生物能源科技有限公司 | A kind of stalk processes fuel |
| CN109762618A (en) * | 2019-01-24 | 2019-05-17 | 太原科瑞康洁净能源有限公司 | A kind of production method of crop straw-formed fuel |
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Effective date of registration: 20150115 Address after: 410000, Hunan, Changsha province Changsha hi tech Development Zone, Lu long road, No. 209, honor Jade Garden, H building, room 435 Applicant after: Xiao Guoxiong Address before: 410015 Hunan province Changsha City College Road 725 River Metro 6 14-02 Applicant before: Xiao Guoxiong |
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