CN112694926A - Biomass briquette fuel and preparation method thereof - Google Patents

Biomass briquette fuel and preparation method thereof Download PDF

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Publication number
CN112694926A
CN112694926A CN202110031864.XA CN202110031864A CN112694926A CN 112694926 A CN112694926 A CN 112694926A CN 202110031864 A CN202110031864 A CN 202110031864A CN 112694926 A CN112694926 A CN 112694926A
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parts
fuel
biomass
biomass briquette
briquette fuel
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CN202110031864.XA
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Chinese (zh)
Inventor
和广坤
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Nanzhao County Mingda Biomass Energy Development Co ltd
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Nanzhao County Mingda Biomass Energy Development Co ltd
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Priority to CN202110031864.XA priority Critical patent/CN112694926A/en
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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
    • C10L5/442—Wood or forestry waste
    • 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
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • 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
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
    • 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
    • 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
    • C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
    • 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 discloses a biomass briquette fuel which comprises the following raw materials in parts by weight: 30-40 parts of peanut shell powder, 20-30 parts of chestnut bark wood ash, 10-15 parts of hickory shell, 10-15 parts of wood chips, 2-5 parts of fiber drying agent, 0.5-0.8 part of sundew, 6-10 parts of anti-coking additive and 2-3 parts of calcium oxide. The biomass fuel is renewable energy, has the advantages of energy conservation, environmental protection and high heat productivity, calcium oxide is selected as the dechlorinating agent and the desulfurizing agent, chlorine-containing waste gas generated by combustion is less, the dehydrating agent adopts the fiber drying agent, the water content of the fuel is low, the fuel is fully combusted, the fiber drying agent is prepared from pure natural plants, the environment is not polluted, the combustion efficiency of the biomass fuel is obviously improved, and the viscous characteristic of sundew is utilized, so that the compressed particles can be further combined more firmly and are not easy to loosen, and the biomass fuel is suitable for long-term storage.

Description

Biomass briquette fuel and preparation method thereof
Technical Field
The invention belongs to the technical field of biological energy, and particularly relates to a biomass briquette fuel and a preparation method thereof.
Background
The biomass fuel is prepared by burning biomass materials as fuel, mainly agricultural and forestry waste generally, and is mainly different from fossil fuel. The biomass fuel has low content of ash powder, sulfur and nitrogen, is a novel renewable fuel with clean combustion, high efficiency, environmental protection and energy conservation, can replace energy sources such as coal, oil, natural gas and the like, and can reduce air pollution.
The production process of the biomass fuel is to crush and dry biomass raw materials with loose texture and then process the biomass raw materials into biomass solid granular fuel in a ring die pressing roller extrusion forming mode. The biomass granular fuel has uniform granularity, and the unit density can reach 1-1.4 g/cm3The strength is increased, the transportation and the storage are convenient, the combustion performance is obviously improved, the energy utilization rate after combustion can be improved by more than 80 percent, almost no sulfur dioxide is discharged, and the burnt furnace ash is also a high-quality organic fertilizer. However, most of the biomass fuels currently in use are randomly combined, the lignin content is lower and the ash content is higher, so that the fuel utilization rate is not high.
Therefore, the research and development of the biomass fuel which is energy-saving, environment-friendly, high in heat productivity, free of coking and high in fuel utilization rate is an urgent problem to be solved by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a biomass briquette fuel and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a biomass briquette fuel comprises the following raw materials in parts by weight: 30-40 parts of peanut shell powder, 20-30 parts of chestnut bark wood ash, 10-15 parts of hickory shell, 10-15 parts of wood chips, 2-5 parts of fiber drying agent, 0.5-0.8 part of sundew, 6-10 parts of anti-coking additive and 2-3 parts of calcium oxide.
The invention has the beneficial effects that: according to the biomass fuel, the peanut shell powder, the chestnut bark wood ash, the pecan shell and the wood dust which are biomass raw materials are renewable energy sources, so that the biomass fuel has the advantages of energy conservation, environmental protection and high heat productivity, calcium oxide is selected as the dechlorinating agent and the desulfurizing agent, chlorine-containing waste gas generated by combustion is less, the dehydrating agent is a fiber drying agent, so that the water content of the fuel is low, the fuel is fully combusted, the fiber drying agent is prepared from pure natural plants, the environment is not polluted, the combustion efficiency of the biomass fuel is obviously improved, and the viscous characteristic of sundew is utilized, so that the compressed particles can be further combined more firmly and are not easy to loosen, and the.
Further, the biomass fuel comprises the following raw materials in parts by weight: 35 parts of peanut shell powder, 25 parts of chestnut bark wood ash, 13 parts of pecan shells, 13 parts of sawdust, 4 parts of fiber drying agent, 0.6 part of sundew, 8 parts of anti-coking additive and 3 parts of calcium oxide.
The beneficial effects of the further technical scheme are that: according to the characteristics of different components, different materials and different ignition points, the biomass fuel is selected in a proper proportion, so that the biomass fuel has the advantages of long combustion time, uniform combustion heating and good combustion effect.
Further, the anti-coking additive is one or a mixture of more of dolomite, olivine, colemanite and chlorite.
The beneficial effects of the further technical scheme are that: not only can solve the problems of slag bonding and coking in the combustion process of the biomass fuel, but also can reduce SO in the flue gas2、SO3The concentration of the discharged gas is beneficial to the protection of the atmospheric environment.
The invention also provides a preparation method of the biomass briquette fuel, which comprises the following steps:
(1) weighing the raw materials according to the weight parts of the biomass briquette;
(2) uniformly mixing all the raw materials, drying and crushing to prepare powder;
(3) compressing the powder into granules by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
The invention has the beneficial effects that: the preparation method is simple, convenient to operate and suitable for large-scale production and application.
Further, in the step (2), the mixing time is 40-50 minutes, and the mixing rotation speed is 600-800 rpm.
The beneficial effects of the further technical scheme are that: the raw materials are uniformly mixed, so that the combustion efficiency of the biomass fuel can be improved, and the product quality is stable.
Further, in the step (2), drying is carried out until the moisture content is 8-10 wt%.
Further, in the step (2), the powder is crushed and sieved by a 40-50 mesh sieve.
Further, in the step (3), the particle diameter is 8 to 8.5 mm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The preparation method of the biomass fuel comprises the following steps:
(1) weighing 30 g of peanut shell powder, 20 g of chestnut bark wood ash, 10 g of pecan shell, 10 g of sawdust, 2 g of fiber drying agent, 0.5 g of sundew, 6 g of anti-coking additive and 2 g of calcium oxide; the anti-coking additive is dolomite;
(2) uniformly mixing the raw materials, drying until the water content is 8 wt%, mixing for 40 minutes at the mixing speed of 600 revolutions per minute, crushing, and sieving with a 40-mesh sieve to obtain powder;
(3) compressing the powder into granules with the diameter of 8mm by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
Example 2
The preparation method of the biomass fuel comprises the following steps:
(1) weighing 32 g of peanut shell powder, 22 g of chestnut bark wood ash, 11 g of pecan shell, 11 g of sawdust, 3 g of fiber drying agent, 0.6 g of sundew, 7 g of anti-coking additive and 2 g of calcium oxide; the anti-coking additive is olivine;
(2) uniformly mixing the raw materials, drying until the water content is 8 wt%, mixing for 42 minutes at the mixing speed of 650 revolutions per minute, crushing to pass through a 42-mesh sieve, and preparing powder;
(3) compressing the powder into granules with the diameter of 8.1mm by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
Example 3
The preparation method of the biomass fuel comprises the following steps:
(1) weighing 38 g of peanut shell powder, 28 g of chestnut bark wood ash, 14 g of pecan shell, 14 g of sawdust, 4g of fiber drying agent, 0.7 g of sundew, 9 g of anti-coking additive and 3 g of calcium oxide; the anti-coking additive is colemanite;
(2) uniformly mixing the raw materials, drying until the water content is 10 wt%, mixing for 48 minutes at the mixing speed of 700 revolutions per minute, crushing, and sieving with a 50-mesh sieve to obtain powder;
(3) compressing the powder into granules with the diameter of 8.2mm by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
Example 4
The preparation method of the biomass fuel comprises the following steps:
(1) weighing 40 g of peanut shell powder, 30 g of chestnut bark wood ash, 15 g of pecan shell, 15 g of sawdust, 5 g of fiber drying agent, 0.8 g of sundew, 0 g of anti-coking additive and 3 g of calcium oxide; the anti-coking additive is dolomite, olivine, colemanite and chlorite;
(2) uniformly mixing the raw materials, drying until the water content is 10 wt%, mixing for 50 minutes at the mixing speed of 800 revolutions per minute, crushing, and sieving with a 50-mesh sieve to obtain powder;
(3) compressing the powder into granules with the diameter of 8.3mm by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
Example 5
The preparation method of the biomass fuel comprises the following steps:
(1) weighing 35 g of peanut shell powder, 25 g of chestnut bark wood ash, 13 g of pecan shell, 13 g of wood chip, 4g of fiber drying agent, 0.6 g of sundew, 8 g of anti-coking additive and 3 g of calcium oxide; the anti-coking additive is dolomite, olivine, colemanite and chlorite;
(2) uniformly mixing the raw materials, drying until the water content is 9 wt%, mixing for 45 minutes at the mixing speed of 700 revolutions per minute, crushing, and sieving with a 50-mesh sieve to obtain powder;
(3) compressing the powder into granules with the diameter of 8.5mm by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
The results of examining the calorific value, sulfur content, combustion efficiency and form-retaining stability of the finished products obtained in examples 1 to 5 are shown in Table 1. Among them, evaluation criteria for form retention stability were that of 1000 fuels which could not retain the form: 0-5%: satisfying; 6-10%: acceptable; 11% and above: is not satisfactory.
TABLE 1
Figure BDA0002892687020000051
As can be seen from Table 1, the biomass fuel provided by the invention has the advantages of energy conservation, environmental protection and high heat productivity, the combustion efficiency of the biomass fuel is obviously improved, the sulfur content is low, the particles are firmly combined, the particles are not easy to loosen, and the biomass fuel is suitable for long-term storage.
The description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The biomass briquette fuel is characterized by comprising the following raw materials in parts by weight: 30-40 parts of peanut shell powder, 20-30 parts of chestnut bark wood ash, 10-15 parts of hickory shell, 10-15 parts of wood chips, 2-5 parts of fiber drying agent, 0.5-0.8 part of sundew, 6-10 parts of anti-coking additive and 2-3 parts of calcium oxide.
2. The biomass briquette fuel as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 35 parts of peanut shell powder, 25 parts of chestnut bark wood ash, 13 parts of pecan shells, 13 parts of sawdust, 4 parts of fiber drying agent, 0.6 part of sundew, 8 parts of anti-coking additive and 3 parts of calcium oxide.
3. The biomass briquette fuel according to claim 1 or 2, wherein the anti-coking additive is one or more of dolomite, olivine, colemanite and chlorite.
4. The preparation method of the biomass briquette fuel is characterized by comprising the following steps:
(1) weighing the raw materials according to the parts by weight of the biomass briquette as defined in any one of claims 1 to 3;
(2) uniformly mixing all the raw materials, drying and crushing to prepare powder;
(3) compressing the powder into granules by a granulator;
(4) and cooling the granules to room temperature to obtain the finished product.
5. The method as claimed in claim 4, wherein in the step (2), the mixing time is 40-50 minutes, and the mixing speed is 600-800 rpm.
6. The preparation method of the biomass briquette fuel as claimed in claim 4, wherein in the step (2), the biomass briquette fuel is dried until the moisture content is 8-10 wt%.
7. The preparation method of the biomass briquette fuel as claimed in claim 4, wherein in the step (2), the biomass briquette fuel is crushed to pass through a 40-50 mesh sieve.
8. The preparation method of the biomass briquette fuel as claimed in claim 4, wherein in the step (3), the particle diameter is 8-8.5 mm.
CN202110031864.XA 2021-01-11 2021-01-11 Biomass briquette fuel and preparation method thereof Pending CN112694926A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103184087A (en) * 2013-04-22 2013-07-03 杭州临安鑫旺生物质燃料有限公司 Biomass fuel and preparation method thereof
CN104531259A (en) * 2014-12-24 2015-04-22 海盐县吉能生物质燃料有限公司 Novel environmental-friendly biomass fuel
CN106190402A (en) * 2016-08-01 2016-12-07 南召县明达生物质能源开发有限公司 A kind of environment-friendly biomass fuel
CN109370675A (en) * 2018-12-03 2019-02-22 梁丰 A kind of environmentally friendly biomass fuel and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103184087A (en) * 2013-04-22 2013-07-03 杭州临安鑫旺生物质燃料有限公司 Biomass fuel and preparation method thereof
CN104531259A (en) * 2014-12-24 2015-04-22 海盐县吉能生物质燃料有限公司 Novel environmental-friendly biomass fuel
CN106190402A (en) * 2016-08-01 2016-12-07 南召县明达生物质能源开发有限公司 A kind of environment-friendly biomass fuel
CN109370675A (en) * 2018-12-03 2019-02-22 梁丰 A kind of environmentally friendly biomass fuel and preparation method thereof

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