CN110257123B - Preparation method of biomass fuel - Google Patents
Preparation method of biomass fuel Download PDFInfo
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- CN110257123B CN110257123B CN201910597579.7A CN201910597579A CN110257123B CN 110257123 B CN110257123 B CN 110257123B CN 201910597579 A CN201910597579 A CN 201910597579A CN 110257123 B CN110257123 B CN 110257123B
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- biomass
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- 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
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
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- 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
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
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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
Abstract
The invention belongs to the field of new energy, and particularly relates to a preparation method of biomass fuel, which comprises the steps of drying and crushing an A-type biomass raw material and a B-type biomass raw material, putting the biomass raw material into pressing equipment for forming to obtain a semi-finished biomass briquette, boxing and carrying the biomass briquette to a carrying tool, carrying out air drying operation on the biomass briquette on the carrying tool on the way of conveying the semi-finished product to a customer destination, and adjusting the amount of the A-type biomass raw material and/or the B-type biomass raw material used in the pressing forming according to Internet of things data and information.
Description
Technical Field
The invention belongs to the field of new energy, and particularly relates to a preparation method of a biomass fuel.
Background
In recent years, new energy and renewable energy are paid attention, biomass renewable energy with abundant and cheap materials is also paid attention, and the biomass renewable energy has a profound development prospect, and a plurality of equipment manufacturers develop and produce different types of processing and forming equipment such as biomass fuel briquetting machines, granulators and the like in succession, but the existing equipment needs steam or electric heating to achieve a good forming effect in the forming process, and raw materials also need to be pre-dried, so that the equipment investment is increased, the energy consumption is increased, and the produced biomass block particles (as shown in figure 5) have cracks with different depths on the surface due to poor caking property of the raw materials, so that the problems of crushing, slag particle and the like are prominent in the processes of storage, transportation, loading and transportation.
Disclosure of Invention
The invention provides an optimized biomass fuel preparation method.
A preparation method of biomass fuel comprises the following steps,
step 1: drying and crushing to obtain a class A biomass raw material and a class B biomass raw material;
step 2: putting the treated biomass raw material into pressing equipment for forming to obtain a semi-finished biomass briquette;
and step 3: boxing the biomass briquettes and conveying the briquettes to a carrier;
and 4, step 4: carrying out air drying operation of the biomass briquettes on the carrier on the way of conveying the semi-finished products to a customer destination;
and, the amount of the group a biomass raw material and/or the group B biomass raw material used in the molding in step 2 is adjusted according to the distance of the customer destination in step 4.
The method also comprises a step of obtaining customer requirement information, wherein the customer requirement information comprises customer destinations, required quantity and the like.
The A-type biomass raw material has first humidity and first granularity, the B-type biomass raw material has second humidity and second granularity, the first humidity is smaller than the second humidity, and the first granularity is larger than the second granularity.
The biomass briquette is a block body which takes A-type biomass raw materials as a core and covers the surface of the core by pressing B-type biomass raw materials.
The source of the air drying operation is from the oncoming airflow as the vehicle travels, which is directed to the cargo bed of the vehicle.
Further, the wind source is also from the vehicle engine and/or the vehicle air conditioner exhaust.
Further, the amount of the group a biomass raw material and/or the group B biomass raw material used in the molding described in step 2 is adjusted according to the degree of the bumpiness of the route to the customer destination.
Further, the amount of the type a biomass raw material and/or the type B biomass raw material used in the forming described in step 2 is adjusted, and/or the amount of the oncoming airflow directed to the cargo compartment of the vehicle is adjusted, according to the weather conditions, particularly the ambient humidity, on the way to the customer destination.
The invention has the beneficial effects that:
1. the manufacturing and transportation are combined, the production flow is optimized, and the energy consumption in the pretreatment, especially the drying stage is reduced;
2. the formability of the produced biomass briquette is improved, so that the biomass briquette is not easy to break and convenient to transport.
Drawings
FIGS. 1-2 show a schematic view of a press apparatus;
figure 3 shows a schematic view of an insert in a pressing apparatus;
FIG. 4 shows a bin for use in transporting semi-finished biomass briquettes;
fig. 5 shows a diagram of biomass briquettes produced by a conventional apparatus.
Detailed Description
The steps of the method, as well as parts of the apparatus for carrying out the method and functions thereof, are described in detail below with reference to the accompanying drawings.
Example one
A preparation method of biomass fuel comprises the following steps,
step 1: drying and crushing to obtain a class A biomass raw material and a class B biomass raw material;
the A-type biomass raw material is from straws, rice hulls, peanut shells, corncobs, oil tea shells and the like, the B-type biomass raw material is preferably from biogas residues, the water content of the biogas residues is higher, the biogas residues are easy to process into finer particles, the humidity of the B-type biomass raw material is higher than that of the A-type biomass raw material, and the granularity of the B-type biomass raw material is smaller than that of the A-type biomass raw material;
step 2: putting the biomass raw materials into a pressing device 1 for forming to obtain a semi-finished biomass pressed block;
as shown in fig. 1-2, the pressing apparatus 1 is a press roll type including a press roll 2, an inner ring 3, an outer ring 4, an insert 5, and a cover plate 6, wherein,
the thickness of the inner ring 3 is larger than that of the outer ring 4, a plurality of inclined wedge open holes 7 are circumferentially and uniformly distributed on the inner ring 3, straight open holes 8 are formed in the outer ring 4 in one-to-one correspondence with the inclined wedge open holes 7, the minimum caliber of each inclined wedge open hole 7 is consistent with that of each straight open hole 8, an accommodating space 9 is formed between the inner ring 3 and the outer ring 4, and the cover plate 6 can cover the accommodating space 9;
as shown in fig. 4, the insert 5 has an inclined section in the shape of a hollow truncated cone and a straight section in the shape of a hollow cylinder, and a plurality of inclined through holes are circumferentially formed in the straight section, and the inclined through holes form an inclined angle with the central axis of the insert 5 in both the axial direction and the circumferential direction;
the plug-in 5 is inserted into the inner ring and the outer ring through the matching of the inclined section and the inclined wedge open hole 7 and the matching of the straight section and the straight open hole 8, and the inner end surface of the plug-in 5 is completely embedded in the inner ring 3 after the plug-in is completely inserted;
the class a biomass raw material is thrown into the inner ring, and the class B biomass raw material is thrown into the accommodating space 9;
during molding processing, the press roller 2 presses the A-type biomass raw material in the inner ring into the plug-in 5, meanwhile, pressure is applied to the cover plate 6 to press the B-type biomass raw material in the accommodating space 9 to enable the B-type biomass raw material to be converged with the A-type biomass raw material in the straight section of the plug-in 5 through the inclined through hole 10 in the plug-in 5, and then the surface of the A-type biomass raw material is covered with a layer of the B-type biomass raw material when being pressed out of the plug-in 5;
compared with a biomass briquette formed by only pressing the A-type biomass raw material, the semi-finished biomass briquette has good formability because a layer of B-type biomass raw material with high humidity and small granularity exists on the surface and cracks which may occur originally are filled up;
compared with the method that the A-type biomass raw material and the B-type biomass raw material are mixed and then are subjected to compression molding, the semi-finished biomass briquette is only provided with the part with the standard exceeding humidity on the surface of the briquette and is easy to be processed by the subsequent drying step;
it is foreseen by those skilled in the art that the greater the amount of class a biomass feedstock in the semi-finished biomass briquette, the higher its degree of drying, but the poorer its formability, while the greater the amount of class B biomass feedstock, the better its formability, but the higher its humidity.
And step 3: boxing the biomass briquettes and conveying the briquettes to a carrier;
fig. 4 shows a tank for transporting semi-finished biomass briquettes, which, in addition to a rigid frame, are ventilated faces of the grid type, the tank being stackable in layers inside a vehicle, in particular a van;
and 4, step 4: carrying out air drying operation of the biomass briquettes on the carrier on the way of conveying the semi-finished products to a customer destination;
further, the amount of the group a biomass raw material and/or the group B biomass raw material used in the molding in step 2 is adjusted according to the distance of the customer destination in step 4 (the adjusting means includes, but is not limited to, adjusting the rotation speed of the press roll 2, adjusting the amount of pressure applied to the cover 6, and the like).
The air source for the air drying operation comes from the head-on air flow when the vehicle runs, and the head-on air flow is guided into the cargo compartment of the vehicle by the air dam or the fairing.
The farther the customer destination is, the longer the air drying operation time is, the amount of the class B biomass raw material can be increased or the amount of the class A biomass raw material can be decreased in step 2, and the formability of the final product is improved on the premise of ensuring the dryness of the final product; conversely, the closer the customer destination, the shorter the air-drying operation time, and the amount of the class a biomass raw material may be increased or the amount of the class B biomass raw material may be decreased in step 2.
Example two
Unlike the first embodiment, the source of the seasoning operation is also from the vehicle engine and/or the exhaust of the on-board air conditioner. It will be apparent to those skilled in the art that it is desirable to provide a duct on the vehicle that communicates the cargo compartment with the air supply stream of the engine or on-board air conditioner.
EXAMPLE III
Unlike the first embodiment, the amount of the class a biomass raw material and/or the class B biomass raw material used in the forming in step 2 is adjusted according to the degree of the bumpiness of the route to the customer destination (distinguished by road standards, such as national road, provincial road, rural road, etc.). The more bumpy the transportation path, the more the semi-finished biomass briquettes need good formability, i.e., the amount of the class B biomass raw material is increased appropriately.
Example four
In contrast to the first embodiment, the amount of the type a biomass feedstock and/or the type B biomass feedstock used in the forming described in step 2 is adjusted and/or the amount of the oncoming airflow directed to the cargo compartment of the vehicle is adjusted depending on the weather conditions, in particular the ambient humidity, on the way to the customer destination. If the air drying effect of the oncoming airflow is not able to be exerted or is limited if the ambient humidity is too great, the amount of class B biomass feedstock should be reduced or the amount of class a biomass feedstock should be increased, and/or the amount of oncoming airflow directed to the cargo compartment should be reduced (by means including, but not limited to, adjusting the position of the air dam, closing or reducing the passage of the duct).
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (7)
1. A preparation method of biomass fuel is characterized in that,
step 1: drying and crushing to obtain a class A biomass raw material and a class B biomass raw material;
step 2: putting the biomass raw material into pressing equipment for forming to obtain a semi-finished biomass briquette;
and step 3: boxing the biomass briquettes and conveying the briquettes to a carrier;
and 4, step 4: performing air-drying operation of biomass briquettes on the carrier on the way of conveying the semi-finished product to a customer destination, and adjusting the amount of the class a biomass raw material and/or the class B biomass raw material used in the forming in step 2 according to the distance of the customer destination in step 4;
the pressing equipment comprises a pressing roller, an inner ring, an outer ring, an insert and a cover plate; an accommodating space is formed between the inner ring and the outer ring, and the cover plate can cover the accommodating space; the A-type biomass raw material is thrown into the inner ring, and the B-type biomass raw material is thrown into the accommodating space; the insert is provided with a hollow truncated cone-shaped oblique section and a hollow cylindrical straight section, a plurality of oblique through holes are circumferentially formed in the straight section, the oblique through holes form oblique angles with the central axis of the insert in the axial direction and the circumferential direction, and the insert is inserted into the inner ring and the outer ring;
the biomass briquette is a block body which takes A-type biomass raw materials as a core and covers the surface of the core by pressing B-type biomass raw materials;
and the delivery vehicle is provided with a pipeline for communicating the cargo compartment with the air dam or the fairing for air flow circulation.
2. The method of claim 1, further comprising the step of obtaining customer demand information including customer destination, demand, and the like.
3. The method of claim 1, wherein the class a biomass feedstock has a first moisture and a first particle size, the class B biomass feedstock has a second moisture and a second particle size, and the first moisture is less than the second moisture and the first particle size is greater than the second particle size.
4. The method of claim 1, wherein the source of the seasoning is from an oncoming airflow while the vehicle is traveling, the oncoming airflow being directed to a cargo bed of the vehicle.
5. The method of claim 4, wherein the wind source is also from an engine of a vehicle and/or an exhaust of an on-board air conditioner.
6. The method of claim 1, wherein the amount of the group a biomass feedstock and/or the group B biomass feedstock used in the forming in step 2 is adjusted according to the degree of the bumpiness of the route to the customer destination.
7. The method of claim 1, wherein the amount of class a biomass feedstock and/or class B biomass feedstock used in the forming of step 2 is adjusted and/or the amount of oncoming airflow directed to the cargo bed of the vehicle is adjusted based on weather conditions on the way to the customer destination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910597579.7A CN110257123B (en) | 2019-07-04 | 2019-07-04 | Preparation method of biomass fuel |
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| CN201910597579.7A CN110257123B (en) | 2019-07-04 | 2019-07-04 | Preparation method of biomass fuel |
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| CN110257123A CN110257123A (en) | 2019-09-20 |
| CN110257123B true CN110257123B (en) | 2020-07-03 |
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| CN112063432B (en) * | 2020-09-03 | 2022-10-04 | 华中科技大学 | Double-layer ignition coal and preparation method thereof |
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| CN102021057A (en) * | 2010-11-30 | 2011-04-20 | 宁波国海能源科技有限公司 | Method for preparing biomass solid molding fuel |
| CN202465626U (en) * | 2012-03-16 | 2012-10-03 | 侯长山 | Composite fuel |
| CN104403714B (en) * | 2014-10-28 | 2016-05-18 | 广东拓丰实业有限公司 | A kind of water proof type biomass molding fuel and preparation method thereof |
| CN104987905A (en) * | 2015-08-10 | 2015-10-21 | 南开大学 | Biogas residue made coal briquette binder and coal briquette manufacturing method |
| CN106861555A (en) * | 2017-02-28 | 2017-06-20 | 嘉兴正森新能源科技有限公司 | A kind of pressing mechanism |
| CN107628905A (en) * | 2017-10-24 | 2018-01-26 | 潍坊友容实业有限公司 | Saline-alkali land soil conditioner based on coal-fired flue gas desulfurization gypsum and biogas waste material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433353A (en) * | 1999-11-02 | 2003-07-30 | 日本钢管株式会社 | Molded lump and production method therefor |
| EP1749651A2 (en) * | 2005-08-05 | 2007-02-07 | Gianluigi Giupponi | Pellet production machine |
| DE102012018360A1 (en) * | 2011-09-27 | 2013-03-28 | Kennametal Inc. | Coated pelleting matrices |
| CN107880913A (en) * | 2017-12-27 | 2018-04-06 | 大连地拓环境科技有限公司 | A kind of biogas residue machine-made carbon and preparation method thereof |
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Effective date of registration: 20220803 Address after: 100000 Beijing Forestry University 2015 research, No. 35, Qinghua East Road, Haidian District, Beijing Patentee after: Cao Changkong Address before: No. 55, 57, 59, youshengguan Road, Shangcheng District, Hangzhou, Zhejiang 310000 Patentee before: Hangzhou Wanzhi Technology Co.,Ltd. |
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Effective date of registration: 20230606 Address after: 100027 Room 502, unit 4, 5 / F, building 39, Xingfu Er village, Chaoyang District, Beijing Patentee after: Platinum Carbon Consulting (Beijing) Technology Co.,Ltd. Address before: 100000 Beijing Forestry University 2015 research, No. 35, Qinghua East Road, Haidian District, Beijing Patentee before: Cao Changkong |
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