CN104109567A - Production method of biofuel particle product - Google Patents
Production method of biofuel particle product Download PDFInfo
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- CN104109567A CN104109567A CN201410276130.8A CN201410276130A CN104109567A CN 104109567 A CN104109567 A CN 104109567A CN 201410276130 A CN201410276130 A CN 201410276130A CN 104109567 A CN104109567 A CN 104109567A
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- biofuel
- production method
- powder
- lubricant
- particulate product
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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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Abstract
The invention relates to the energy field, and especially relates to a production method of a biofuel particle product. The production method can more high efficiently and environment-friendlily produce biofuel particle products and comprises the following steps: primarily grinding roots, stems/limbs, leaves, peels, shells or mixture of two or more materials mentioned above into particles, placing the particles in water steam with a temperature of 200 to 300 DEG C under a pressure of 1 to 2 MPa for 5 to 8 minutes, then carrying out steam explosion to obtain a raw material; carrying out solid-liquid separation on the raw material, grinding the solid raw materials for another time, sieving so as to obtain a solid raw material with a particle size of 30 to 80 meshes, drying so as to obtain a powder material, wherein the water content of the powder material is 15 to 25%; evenly mixing the powder material with oily lubricant, then carrying out press moulding to produce particles, wherein the lubricant comprises biological excrement or herbal dregs and the biological excrement or herbal dregs accounts for 0.5 to 2.5% of the total weight of the powder material; and finally cooling the produced particles so as to obtain the biofuel particle product.
Description
Technical field
The present invention relates to energy field, particularly relate to a kind of production method of biofuel particulate product.
Background technology
In the production of current biofuel particulate product, need to carry out moulding granulation to powder, to form granule type product.In order to make powder be easy to moulding, in moulding process, in order to make, production process is smooth and easy and the constituent that makes to granulate is even, conventionally need to add lubricant, such as water or special chemical lubricants (such as talcum powder etc.).
But in this case, inorganic lubricant such as talcum powder is not good to the lubricant effect of powder on the one hand, in the combustion processes of biofuel particulate product, cannot burn on the other hand uses and is unfavorable for obtaining high service efficiency; In addition, use water lubricating water resources to be expended greatly, and can increase manufacturing cost.These problems are all unfavorable for the utilization of resources and environment protection.
Summary of the invention
The invention provides a kind of production method of biofuel particulate product, high-efficiency environment friendly ground produces biofuel particulate product more.
According to embodiments of the invention, a kind of production method of biofuel particulate product is provided, comprise the following steps:
By the root of plant, stem/limb, leaf, epidermis, shell or in them arbitrarily multiple mixture tentatively pulverize formation particle;
Particle keeps 5～8 minutes in the water vapor of 200～300 DEG C under 1～2 MPa pressure, then carries out the quick-fried processing of vapour, forms raw material;
After raw material solid-liquid separation, solid feed wherein again pulverized, sieved and obtain size 30～80 object solid feeds, drying and form powder, the weight percent of the moisture content in powder is 15～25%;
The mix lubricant of powder and oiliness evenly after pressure forming granulate to form, in lubricant, comprise biological movement or herbal medicine slag and account for powder weight 0.5～2.5%;
By cooling described granulation, form biofuel particulate product.
Preferably, in various embodiments of the present invention, described pressure forming comprises: the compressed moulding of ring mould.
Preferably, in various embodiments of the present invention, the temperature of described ring mould compressed moulding process is 100～150 DEG C.
Preferably, in various embodiments of the present invention, described lubricant is mixed to form by multiple biological movement.
Preferably, in various embodiments of the present invention, described biological movement is beasts movement, birds movement, fish movement, insects movement or any multiple mixture in them.
Preferably, in various embodiments of the present invention, among described pressure forming process or before, to the mixture of described powder and described lubricant further dry with remove part moisture content or further moisturizing to add part moisture content.
By the production method of biofuel particulate product provided by the invention, high-efficiency environment friendly ground produces biofuel particulate product more.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is according to the schematic diagram of the production method of biofuel particulate product of the present invention.
Embodiment
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belong to the scope that the present invention protects.
The invention provides a kind of production method of biofuel particulate product, high-efficiency environment friendly ground produces biofuel particulate product more.
According to embodiments of the invention, a kind of production method of biofuel particulate product is provided, comprise the following steps:
By the root of plant, stem/limb, leaf, epidermis, shell or in them arbitrarily multiple mixture tentatively pulverize formation particle;
Particle keeps 5～8 minutes in the water vapor of 200～300 DEG C under 1～2 MPa pressure, then carries out the quick-fried processing of vapour, forms raw material;
After raw material solid-liquid separation, solid feed wherein again pulverized, sieved and obtain size 30～80 object solid feeds, drying and form powder, the weight percent of the moisture content in powder is 15～25%;
The mix lubricant of powder and oiliness evenly after pressure forming granulate to form, in lubricant, comprise biological movement or herbal medicine slag and account for powder weight 0.5～2.5%;
By cooling described granulation, form biofuel particulate product.
Like this, root, stem/limb, leaf (for example leaf or blade of grass), epidermis (for example bark), the shell (for example husk) of plant (such as trees flowers and plants etc.) or the particle (for example wood chip or blade of grass chip or their mixture) that in them, multiple mixture obtains by preliminary pulverizing arbitrarily, are beneficial to evenly mixed being incorporated in following use procedure and have high burning efficiency by further fully fragmentation refinement by the quick-fried processing of vapour again.Solid-state extracting section is out sieved to dry and form the powder (for example grass meal or wood powder or grass meal wood powder mixture) that comprises certain moisture content, wherein, if moisture content is too low, the granulation that packing pressure forming processes extrudes is easily dry and cracked, if moisture content is too high, powder too thickness easily causes out a difficulty even can stop up.
Adopt the vapour quick-fried processing can fast-crushing original material, form efficiently undersized even powder.Preferably can take the steam temperature (for example 240～280 DEG C) being more suitable for, also can take the pressure (for example pressure of 1.6～1.8 MPas) being more suitable for, also can take the pressure hold time (for example keeping 6～7 minutes) being more suitable for, to be adapted to different types of original material (, the root of plant, stem/limb, leaf, epidermis, shell or any multiple mixture in them).
Should understand, be lubricated owing to can add oily lubricant in follow-up pressure forming process, thereby do not need too much moisture content to avoid pressure forming material viscosity excessive, thereby the quick-fried raw material after treatment of vapour is carried out to solid-liquid separation to remove a large amount of moisture content that wherein form due to the quick-fried water vapor of introducing vapour, and only retain appropriate moisture content.
In pressure forming process, although the moisture content containing in powder also has certain lubricated adhesive effect, lubricity is poor.Therefore, in the production of biofuel particulate product, (particularly in moulding process), need to add a certain amount of oily lubricant, to increase lubricated and bond properties.
Described powder and described mix lubricant are carried out pressure forming (being for example the compressed moulding of ring mould); described lubricant has oiliness; between powder, produce lubrication; this oiliness lubrication is also conducive to reduce for example, friction resistance between powder and relevant device (equipment of formation system), thus protection equipment.Described lubricant does not have disadvantageous effect to the performance of biofuel (biological example fuel pellet product); and be natural lubricant and be conducive to environment protection; wherein also comprise a part of combustiblecomponents in addition and be conducive to improve the integral combustion efficiency of biofuel, these are all favourable to reducing production costs.
Preferably, in various embodiments of the present invention, the weight percent of for example, moisture content in the described powder (being wood powder or grass meal or wood powder grass meal mixture) after oven dry is 17～23%, and is more preferably 20～22%, for example, be 21%.
Preferably, in various embodiments of the present invention, the described lubricant adding in described pressure forming process account for described powder weight 0.8～2.3%, be more preferably 1.3～2.1%, be for example 1.6%.
Preferably, in various embodiments of the present invention, the size of the solid feed (being for example wood powder or grass meal or wood powder grass meal mixture) after sieving can be 40～70 orders, for example, can be 45,50,55,60 or 65 orders.
Preferably, in various embodiments of the present invention, described pressure forming comprises: the compressed moulding of ring mould.
Preferably, in various embodiments of the present invention, the temperature of described ring mould compressed moulding process is 100～150 DEG C.Preferably can be 110～140 DEG C, for example, is 130 DEG C.
Preferably, in various embodiments of the present invention, described lubricant can be mixed to form by multiple biological movement.That is to say, can only adopt biological movement (one or more), also can only adopt herbal medicine slag (one or more), can also adopt the mixture of biological movement (one or more) and herbal medicine slag (one or more), such processing can comprise pulverizing, mix and necessary dry or moisturizing, processes thus the lubricant that forms oiliness.
In one embodiment, in the time forming described lubricant, can carry out degassing processing to remove the entrap bubble in biological movement or herbal medicine slag or its mixture, for example, can carry out described degassing processing by vacuum mode.Like this, can reduce the too high processing risk causing of gaseous tension on the one hand, can reduce on the other hand activity residual gas (such as methane etc.) risk that chemical reaction causes occurs in subsequent processes.
Preferably, in various embodiments of the present invention, described biological movement is beasts movement, birds movement, fish movement, insects movement or any multiple mixture in them.Biological movement like this, as oily lubricant composition, also can burn to provide energy in the combustion processes of biofuel particulate product, contributes to thus to obtain high service efficiency.
Preferably, in various embodiments of the present invention, described herbal medicine slag from oiliness herbal medicine, for example, can comprise the sweet wormwood dregs of a decoction.Sweet wormwood is a kind of herbal medicine that contains oiliness, in described moulding process, can provide thus oiliness lubricated, and adopt the sweet wormwood dregs of a decoction to provide oiliness lubricated with low cost, such herbal medicine slag is as oily lubricant composition, in the combustion processes of biofuel particulate product, also can burn to provide energy, contribute to thus to obtain high service efficiency.Should be understood that other herbal medicine slag still with remaining oiliness also can be used for forming described oily lubricant.
Preferably, in various embodiments of the present invention, among described pressure forming process or before, to the mixture of described powder and described lubricant further dry with remove part moisture content or further moisturizing to add part moisture content.
By the production method of biofuel particulate product provided by the invention, high-efficiency environment friendly ground produces biofuel particulate product more.
Preferably, in various embodiments of the present invention, the temperature of the described granulation of for example, making by pressure forming (encircling mould compressed moulding) is 20～60 DEG C, is more preferably 30～50 DEG C, for example 40 DEG C.In this case, the heat radiation in moulding process or in Slow cooling process can be collected and recycle.
In one embodiment, the waste heat recovery for example, forming in quick-fried vapour treating processes or pressure forming (encircling mould compressed moulding) process can be used, be beneficial to energy-conserving and environment-protective.
In one embodiment, the waste heat forming in quick-fried vapour processing and/or cooling process can be derived be sent to needs heat treatment part to use, for example, for drying and/or pressure forming.The quick-fried raw material after treatment of high temperature vapour still has comparatively high temps, needs to carry out subsequent disposal after cooling; And granulation in cooling apparatus just also has comparatively high temps through pressure forming, need to form the finished product after cooling.In contrast, dry and need heat that moisture content is dried and removed, pressure forming also needs certain heat to keep wherein mobility and the formability of mixture.Therefore, by waste heat recovery use the waste heat producing in treating processes can be drawn reclaim and for needing the processing of heat, more effectively utilize thus the energy.
In one embodiment, can carry out accumulation of heat (particularly in the situation that waste heat amount is larger) for the waste heat reclaiming, for example store, from the waste heat of heat release processing (the quick-fried processing of vapour) to collect, and can be sent to when needed and need accordingly heat treatment section (for example drying or pressure forming) to use.Preferably, can carry out accumulation of heat by phase change material, this volume of phase-change material also can undergo phase transition in critical temperature in different phase states in differing temps, accumulates thus collected waste heat heat release when needed and use in the time of high temperature.
Preferably, in various embodiments of the present invention, the temperature of described oven dry is 50～90 DEG C, is more preferably 60～80 DEG C, for example, be 75 DEG C.
Preferably, in various embodiments of the present invention, described trees comprise one or more in mulberry tree, eucalyptus, Chinese fir.
Preferably, in various embodiments of the present invention, the root of described plant, stem/limb, leaf, epidermis, shell or in them arbitrarily multiple mixture preliminary pulverize form particle before, drying dry to remove part moisture content.
Preferably, in various embodiments of the present invention, before adding described lubricant by described lubricant dryness in the sun to remove part moisture content.
Preferably, in various embodiments of the present invention, for example, in pressure forming (encircling mould compressed moulding) process or while beginning, add described lubricant.
Preferably, in various embodiments of the present invention, for example, repeatedly add described lubricant in pressure forming (encircling mould compressed moulding) process.In continuous flow procedure, can add by stages as required lubricant to supplement as consuming.The lubricant at every turn adding can be same composition or different components, can be also same amount or different amount, selects as the case may be.
The wood chip that can obtain after tentatively pulverizing in one embodiment, or grass bits are as described particle.
In one embodiment, can adopt the lubricant that comprises biological excremental lubricant and comprise herbal medicine slag simultaneously.
In one embodiment, the regularly oily content of detecting pressure molding materials, to guarantee that material has enough lubricities and bond properties.
Fig. 1 is the schematic diagram of the production method of biofuel particulate product according to an embodiment of the invention.In the embodiment shown in fig. 1, the production method of biofuel particulate product comprises the following steps:
101: by the root of plant, stem/limb, leaf, epidermis, shell or in them arbitrarily multiple mixture tentatively pulverize formation particle;
102: particle keeps 5～8 minutes in the water vapor of 200～300 DEG C under 1～2 MPa pressure, then carry out the quick-fried processing of vapour, form raw material;
103: after raw material solid-liquid separation, solid feed wherein is again pulverized, sieved and obtain size 30～80 object solid feeds, dry and form powder, the weight percent of the moisture content in powder is 15～25%;
104: the mix lubricant of powder and oiliness evenly after pressure forming granulate to form, in lubricant, comprise biological movement or herbal medicine slag and account for powder weight 0.5～2.5%;
105: by cooling described granulation, form biofuel particulate product.
In various embodiments of the present invention, adopt specific lubricant, it comes from/comprises biological movement or herbal medicine slag, belongs to natural lubricant, not containing any chemical hazard composition, natural environmental protection.
By the production method of biofuel particulate product provided by the invention, high-efficiency environment friendly ground produces biofuel particulate product more.
In addition,, by each embodiment provided by the invention, can also realize following at least one advantage:
1. fully pulverize original material by the quick-fried processing of vapour, to obtain uniform small size raw material.
2. oily lubricant can strengthen the lubricity of powder, is not only conducive to pressure forming, but also contributes to realize good products with adhesive performance.
3. oily lubricant can reduce the friction between powder and equipment in pressure forming process, accelerates shaping speed, and production efficiency improves 50～80%, also can reduce in addition equipment loss.
4. lubricant adopts biological movement or herbal medicine slag, belongs to pure natural substance, improves resource utilization, natural environmental protection, and burning does not produce industrial pollutants.
5. the biofuel particulate product of making by powder and lubricant does not contain or only contains the sulphur composition of minute quantity, little to the corrosive effect of pressure forming machine.
Various embodiment provided by the invention combination mutually in any way as required, the technical scheme obtaining by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if to these amendments of the present invention with within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also comprises these changes and modification interior.
Claims (6)
1. a production method for biofuel particulate product, is characterized in that, comprises the following steps:
By the root of plant, stem/limb, leaf, epidermis, shell or in them arbitrarily multiple mixture tentatively pulverize formation particle;
Particle keeps 5～8 minutes in the water vapor of 200～300 DEG C under 1～2 MPa pressure, then carries out the quick-fried processing of vapour, forms raw material;
After raw material solid-liquid separation, solid feed wherein again pulverized, sieved and obtain size 30～80 object solid feeds, drying and form powder, the weight percent of the moisture content in powder is 15～25%;
The mix lubricant of powder and oiliness evenly after pressure forming granulate to form, in lubricant, comprise biological movement or herbal medicine slag and account for powder weight 0.5～2.5%;
By cooling described granulation, form biofuel particulate product.
2. the production method of biofuel particulate product as claimed in claim 1, is characterized in that,
Described pressure forming comprises: the compressed moulding of ring mould.
3. the production method of biofuel particulate product as claimed in claim 2, is characterized in that,
The temperature of described ring mould compressed moulding process is 100～150 DEG C.
4. the production method of biofuel particulate product as claimed in claim 1, is characterized in that,
Described lubricant is mixed to form by multiple biological movement.
5. the production method of the biofuel particulate product as described in any one in claim 1 to 4, is characterized in that,
Described biological movement is beasts movement, birds movement, fish movement, insects movement or any multiple mixture in them.
6. the production method of the biofuel particulate product as described in any one in claim 1 to 4, is characterized in that,
Among described pressure forming process or before, to the mixture of described powder and described lubricant further dry with remove part moisture content or further moisturizing to add part moisture content.
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| CN201410276130.8A CN104109567A (en) | 2014-06-19 | 2014-06-19 | Production method of biofuel particle product |
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| CN201410276130.8A CN104109567A (en) | 2014-06-19 | 2014-06-19 | Production method of biofuel particle product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106190404A (en) * | 2016-08-12 | 2016-12-07 | 安徽昌信生物质能源有限公司 | A kind of preparation method of biomass fuel |
| CN109082320A (en) * | 2018-08-09 | 2018-12-25 | 惠州市闽森生物燃料有限公司 | A kind of preparation method of novel biological fuel |
| TWI767608B (en) * | 2021-03-15 | 2022-06-11 | 蔡梓文 | A method for making food sludge waste into solid biomass fuel |
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| CN101768494A (en) * | 2010-03-09 | 2010-07-07 | 中国科学院过程工程研究所 | Straw densification briquetting fuel preparation method for biomass power generation and boiler combustion |
| CN101979478A (en) * | 2010-10-15 | 2011-02-23 | 济南宝华新能源技术有限公司 | Method for preparing biofuel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106190404A (en) * | 2016-08-12 | 2016-12-07 | 安徽昌信生物质能源有限公司 | A kind of preparation method of biomass fuel |
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| TWI767608B (en) * | 2021-03-15 | 2022-06-11 | 蔡梓文 | A method for making food sludge waste into solid biomass fuel |
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