CN109370698A

CN109370698A - A kind of biomass granule fuel and preparation method thereof

Info

Publication number: CN109370698A
Application number: CN201811465457.4A
Authority: CN
Inventors: 梁丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-02-22

Abstract

The invention discloses a kind of biomass granule fuel and preparation method thereof, which is made of the raw material of following mass fraction: 20-40 parts of rice straw, 40-50 parts of corn stover, 20-30 parts of birch limb, 20-30 parts of rice husk, 20-30 parts of sunflower straw, 10-20 parts of castor-oil plant stalk, 15-23 parts of peanut shell, 20-30 parts of wheat stalk, 9-13 parts of corncob, 10-20 parts of coal dust, 7-15 parts of yellow mud, 45-65 parts of sawdust composition, 30-70 parts of sawdust composition, 12-25 parts of biomass polyester, 13-23 parts of bonding agent.The utility model has the advantages that enabling to the fuel performance of preparation good, smog is few, and thermal efficiency is high.Caking ability is high, and combustion heat value is high, is nearly free from sulfur dioxide and flying dust, Air-pollution From Combustion is small, and ash content is few, conducive to the construction of ecological environment.

Description

A kind of biomass granule fuel and preparation method thereof

Technical field

The present invention relates to technical field of fuel preparation, it particularly relates to a kind of biomass granule fuel and its preparation side Method.

Background technique

China is a populous nation, and is the country of a rapid economic development, and 21 century will be faced with economic growth With the dual-pressure of environmental protection.Therefore change production of energy and consumption pattern, development and utilization biomass energy etc. is reproducible clear Clean energy resources promote national economic development and are of great significance with environmental protection to sustainable energy resource system is established.Exploitation Special Significance is had more to Chinese countryside using biomass energy, Chinese 80% population lives are in rural area, the biomass such as stalk and fuel wood It can be the main life fuel in rural area；Although use of the commercial energys such as coal in rural area increases sharply, biomass energy is still accounted for There is critical role.The energy 3.65 hundred million tons of mark coals of total amount of life in the countryside in 1998, wherein stalk and fuel wood are 2.07 hundred million tons of mark coals, are accounted for 56.7%.Therefore Bio-energy Development technology, provides life and producting energy for rural area, is to aid in these areas and shakes off poverty cause Richness, the vital task achieved the goal of ensuring our people a relatively comfortable life.The existing easy poplar dirt of biomass granule fuel, environmental pollution is serious.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Summary of the invention

For the problems in the relevant technologies, the present invention proposes a kind of biomass granule fuel and preparation method thereof, to overcome Above-mentioned technical problem present in existing the relevant technologies.

The technical scheme of the present invention is realized as follows:

According to an aspect of the invention, there is provided a kind of biomass granule fuel.

The biomass granule fuel is made of the raw material of following mass fraction:

20-40 parts of rice straw, 40-50 parts of corn stover, 20-30 parts of birch limb, 20-30 parts of rice husk, sunflower straw 20-30 parts of stalk, 10-20 parts of castor-oil plant stalk, 15-23 parts of peanut shell, 20-30 parts of wheat stalk, 9-13 parts of corncob, coal dust 10- 20 parts, 7-15 parts of yellow mud, 45-65 parts of sawdust composition, 30-70 parts of sawdust composition, 12-25 parts of biomass polyester, bonding agent 13-23 parts.

Further, the sawdust composition includes following material component: 15-17 parts of larch sawdust, elm sawdust 10- 16 parts, 10-16 parts of willow sawdust, 10-16 parts of poplar sawdust.

Further, the sawdust composition includes following material component: 10-30 parts of pine wood sawdust, weedtree sawdust 20-40 Part.

Further, the biomass polyester includes following material component: 2-5 parts and glycerol 10-20 parts mixing of malic acid.

Further, the binder includes following material component: 1-3 parts of hydroxyethyl cellulose, polyanion cellulose 2-4 parts and starch 10-16 parts.

According to another aspect of the present invention, a kind of preparation method of biomass granule fuel is provided.

The preparation of the biomass granule fuel, comprising the following steps:

According to above-mentioned mass fraction, each raw material needed for the biomass granule fuel is weighed；

By weighed rice straw, corn stover, birch limb, rice husk, sunflower straw, castor-oil plant stalk, peanut shell, Wheat stalk, corncob, coal dust and yellow mud are successively dried, are crushed, and are mixed, and mixture one is formed；

By weighed larch sawdust, elm sawdust, willow sawdust, poplar sawdust, pine wood sawdust, weedtree sawdust, put Enter in stirred tank and stir, also, be sequentially added into during stirring malic acid, glycerol, hydroxyethyl cellulose, poly- yin from Subbundle element and starch, form mixture two；

Mixture one and mixture two are launched into reaction kettle, stirred evenly, mixture three is formed；

Mixture three is sent into the drying machine of closed container formula, while dry, vacuumize, be dried in vacuo；

By the product after drying, dispensing is pelletized into granulator, obtains finished product.

Further, the water content of said mixture one is 6-9%, and the water content of mixture two is 9-12%.

Further, said mixture one and mixture two are launched into reaction kettle, are stirred evenly, are needed to be warming up to 175 DEG C, mixing speed is 45 rpms, uniformly one hour of rear heat preservation to be mixed, obtains mixture three.

Further, it in the above-mentioned drying machine that mixture three is sent into closed container formula, while dry, vacuumizes, into Row vacuum drying, drying temperature maintain 60 to 150 degrees Celsius, and vacuum degree maintains 133Pa or less.

Further, it needs that pre-configured mass fraction is added during above-mentioned formation mixture two to be 95% Dehydrated alcohol.

Wherein, raw material composition of the present invention is described below:

Rice straw: purposes be mainly life fuel, briquette-fuel (for biomass electric power plant, arcola), edible mushroom base-material, Straw screen or mat processed, duck padding, biogas fermentation material etc..

Corn stover: corn stover is the grain, economy and feeding dual-purpose crop being made for based on feed, and corn stover is also work, agricultural The important resources of production of production.As one kind, corn stover nutrition rich in and available chemical component can be used as raiseeing The raw material of animal husbandry feed.For a long time, corn stover is exactly one of the raw material of the main roughage of livestock.Agricultural crop straw belongs to A kind of most valuable Biomass Energy Resources in Agro-ecological System.Related result of laboratory test show corn stover contain 30% with On carbohydrate, 2%~4% protein and the fat of 0.5%-1%, both can ensiling, can also Direct-fed.With regard to food grass For animal, the corn stover net energy for gain of 2kg is equivalent to the corn kernel of 1kg, especially through ensiling, yellow storage, ammonification and sugar After the processing such as change, utilization rate can be improved, benefit will strive more considerable.It analyzes according to the study, digestible energy contained in corn stover is 2235.8kJ/kg, and it is full of nutrition, gross energy is suitable with herbage.Retrofit processing is carried out to corn stover, is fabricated to Gao Ying Animal feeding-stuff is supported, not only contributes to develop animal husbandry, and cross abdomen returning to the field by stalk, has more good ecological benefits and warp Ji benefit.

Birch limb: the dry bark of white birch, in the warp tubular opened greatly, the outer surface (i.e. the inner surface of skin) of reel is light Yellowish-brown has dark horizontal stripe.Inner surface (i.e. the outer surface of the skin) canescence of coil and micro-strip is red, above have the branch of pimple sample Trace, it is dark brown.Matter is flexible, fractures slightly flat, layered can scale off.Gas is faint and fragrant；Bitter.

Rice husk: one layer of shell outside paddy.It can be used to cook soy sauce, wine, fuel.Oyster mushroom can also be planted by dressing up bag.Rice The physicochemical property of shell: rice husk is by coetonium, inner glume, and several parts such as sterile lemma and rachilla form, with temples hair except coetonium top The hair of shape.Positive rice husk is then made of some rough prothenchyma (of wood)s, and about 24~30 microns of thickness, rice husk is rich in fiber Element, lignin, silica are based on the differences such as rice variety, area, weather wherein fat, the content of protein are lower, Chemical composition can be variant.

Sunflower straw: sunflower (Latin: Helianthus annuusL.), is the annual of asteraceae helianthus Herbaceous plant.It is 1~3.5 meter high.Stem is upright, round multi-angular, and matter is firmly by the thick and stiff hair of white.The broad-ovate usual alternate of blade, Apex mucro is tapering, has base to go out 3 arteries and veins, and edge has rough sawn tooth, and two sides is coarse, and coat has long handle.Capitulum, diameter 10~ 30 centimetres, singly it is born in stem top or branch end.Phyllary multilayer, the food value of leaf, imbricate arrangement, by long bristle, summer-flowering, inflorescence edge Raw neutral yellow ligulate flower, it is shaky.It is both sexes tubular flower, brown or purple in the middle part of inflorescence, energy is solid.The oval achene of square, Pericarp lignifying, grey or black claim sunflower seeds.

Castor-oil plant stalk: castor-oil plant (Classification system: Ricinus communisL.), Euphorbiaceae, Ricinus it is annual or for many years Raw herbaceous plant, the torrid zone or southern area are often at perennial shrub or dungarunga.Single leaf alternate, blade peltate are round.Palmate point It splits to less than half of blade, panicle and leaf to raw and basidixed, the raw male flower in lower part, the raw female flower in top；Petal homophyletic, nothing Petal；Stamen is most, filigree multi-branched；Style, peony.Capsule is spherical, has soft thorn, cracks when mature.The month at florescence 5-8, fruit Month phase 7-10.

Peanut shell: peanut shell is a dynamic territory analyzing software.When peanut shell dynamic territory analyzing is installed and registered in you Software, no matter you in any place, any time, using any route, can using this service foundation possess fixed domain name With the internet host of maximum autonomy." peanut shell dynamic territory analyzing software " support route include ordinary telephone line, ISDN, ADSL, cable TV network, the broadband networks of twisted pair to family and other any accesses for being capable of providing internet real IP Service circuit, regardless of the IP that connection obtains belongs to dynamic or static state.

Wheat stalk: wheat is the general designation of wheat system plant, is monocotyledon, is a kind of in plantation extensively all over the world Gramineae plant, the caryopsis of wheat is one of staple food of the mankind, can make bread, steamed bun, biscuit, noodles etc. after wearing into flour Food；It can be made into beer, alcohol, white wine (such as vodka), or raw matter fuel after fermentation.Wheat is rich in starch, protein, rouge Fat, minerals, calcium, iron, thiamine, riboflavin, niacin, vitamin A and vitamin C etc..

Corncob: the processing of corncob corn rod threshing is made using stringent screening, has even tissue, hardness suitable Preferably, the advantages that good toughness, water imbibition are strong, wear-resisting property is good, it is easily broken in use.

Coal dust: cast iron can prevent scab defect with coal dust is added in green-sand, improve the surface light of casting Cleanliness, and can be reduced burning into sand defect, improve the defeated and dispersed function of molding sand, for wet type G. Iron Castings, moreover it is possible to effectively prevent skin Air holes, can use circular vortex burner, and air does not have to preheating.

Yellow mud: belonging to mud one kind, and yellow mud consolidates name yellow color mud.Main component is all aluminium oxide and iron oxide, oxidation Aluminium is main body, and iron oxide is more, and soil property is redder, also some calcium-magnesium-containing matter and siliceous.

Larch sawdust: larch (scientific name: Larixgmelinii (Rupr.) Kuzen.) is Pinaceae, and Larch is tall Wood, up to up to 35 meters, the diameter of a cross-section of a tree trunk 1.3 meters above the ground is up to 90 centimetres；Treelet bark dark brown, branch is tiltedly opened up or close open and flat, tree crown ovate cone；Winter The nearly spheroidal of bud, perula crineous, edge have eyelashes, and the apex of base portion perula has long tip.Blade drapes over one's shoulders needle-shaped bar shaped, apex Point or blunt point, above middle arteries do not swell, aubergine when cone children, it is mature before oval or ellipse, yellowish-brown, brown or purple brown Color, the oblique oval of seed, canescence are bloomed the 5-6 month, and cone September is mature.Larch is the main of Chinese Daxing'an Mountainrange coniferous forest Tree species, timber accumulation is abundant and the chief species of this area afforestation and the renewal of forest from now on.Timber is slightly heavy, in hardness Deng easy to crack, sapwood is faint yellow, heartwood yellowish-brown to bronzing, and texture is straight, and structure is fine and closely woven, specific gravity 0.32-0.52, there is resin, resistance to It uses long.Material is used for building construction, civil engineering, electric pole, journey, thin wood processing and wood-fibred raw material of industry etc..Trunk can mention Resin is taken, bark can extract tannin extract.

Elm sawdust: elm is Ulmaceae, and Elm, main product temperate zone, deciduous tree, tree is tall and big, especially yellow throughout northern various regions River valley is seen everywhere.Elm wood is tough and tensile, and texture is sensible clear, and hardness and moderate strength, general openwork carving embossment can fit It answers, planing surface is smooth, and chord plane decorative pattern is beautiful, there is the decorative pattern of " Door frame ".For furniture, finishing etc. use, elm drying, shaping, Carving coats with lacquer paint, can make exquisite carved lacquerware handicraft article.It is the most classical with the old elm of Russia (i.e. purple elm), with clean mark, Tree is scabbed greatly few advantage, is the rare material for making furniture, and 1500 yuan or so of every cube of prices of raw materials of elm.The grain of wood Logical straight, decorative pattern is clear, and elasticity of wood is good, moisture-proof, corrosion resistant.Air-dry density: 0.68g/cm3, wooden hardness is moderate, easily dries, no It is easily-deformable not easy to crack, it is the rare timber for making furniture first choice.Decorative pattern is beautiful, in beautiful color generous.Suitable for noble furniture, Cabinet, carved lacquerware handicraft article etc..

Willow sawdust: willow (Salix) is the general name of a kind of plant, and willow type is more, is easy hybridization.Hybrid growth potential and Adaptable, easy vegetative propagation can be selected out of natural or artificial hybrid group, by vegetative propagation, obtain choiceness Kind；In addition, it is also possible to a large amount of high-quality sapling of the method quick obtaining of Plant Tissue Breeding.Breeding based on ornamental plantation, Emphasis is answered to improve its branches and leaves and tree-like, the ability of raising antipollution, resistance to trimming and finishing.It is mainly used for ornamental plantation, cell, garden Woods, school, factory, before hillside, garden, roadside, building.When in full bloom, branch is opened up to willow four directions, makes garden blueness silver piece, With very high ornamental value；The ideal tree species actually to beautify the yard.Willow is also one of the tool that people enjoy the cool, and is especially existed Afternoon, the good place to go for going for enjoying the cool of people in twos and threes in summer is that people are unique under at this time very large willow is shady Selection.

Poplar sawdust: poplar (Latin language scientific name: PopulusL.) is the plant of Populus, and full category has about more than 100 kinds, China About 62 kinds (including 6 cenospecies), wherein distribution China there are 57 kinds, about 4 kinds of cultivation are introduced, in addition there are many mutation, change Type and the strain introduced a fine variety.Populus (Populus) categorizing system is divided into five big groups: Section Tacamahaca (Tacamahaca), Properties of Populus Clones again (Leuce), Aigeiros (Aigeiros), diversiform-leaved poplar send (Turanga), Leucoides (Leucoides).Trunk is usually held directly；Tree Skin is smooth or lobe, is often canescence.It is distributed mainly on the wide area such as Central China, North China, northwest, northeast.

Pine wood sawdust: pine is a kind of confierophyte (common confierophyte has pine, China fir, cypress), it has pine Fragrance, color are yellowish, furuncle scar is more, it is fast to atmospheric temperature reaction, be easy to swell, the characteristics such as extremely difficult natural air drying, therefore need to manually be located Reason, such as drying, degreasing remove organic compound, bleach unified tree color, neutralize tree property, be allowed to be unlikely to deform.In the culture of furniture On history, the intention of the founder Nordics of pine furniture is performed meritorious deeds never to be obliterated, they turn the foul and rotten into the rare and ethereal, originally by excess resin The crowded quick growing species of trees becomes high-quality plate through tread flaking drying, thus allow pine with its simple and unadorned texture, it is lifelike Texture, pure beautiful color, domestic environment is decorateeed plain, it is pure it is quiet, incorporate with it is naturally harmonious with peaceful, thus pine Furniture is set to environmentally friendly furniture by humanity portion of the United Nations.Visually first " color " takes people by force to pine furniture.Indifferent to fame or gain soft pine true qualities " Natural beauty difficulty, which is given up as hopeless, " allows the low eyebrow of other tree species to bow one's head.It is natural views that overwrought pine true qualities furniture, which is not added, is natural wind Feelings, smart spacious texture, fine and smooth lines, hard and soft and Ji.

Weedtree sawdust: hardwood is common toothed oak wood, Manchurian ash, ash wood, birch, elm, jujube wood isodensity and hardness The general name of all higher a kind of timber.Domestic to have toothed oak wooden, Manchurian ash, ash wood, birch, elm, jujube is wooden, belongs to hardwood.

Malic acid: malic acid also known as 2- hydroxysuccinic acid, due to there is an asymmetric carbon atom in molecule, there are two types of vertical Body isomers.In the Nature, exist in the form of three kinds, i.e. D-malic acid, L MALIC ACID and its mixture D L MALIC ACID.White Crystalline solid or crystalline powder have stronger hygroscopicity, soluble easily in water, ethyl alcohol.There is special pleasant tart flavour.Malic acid is mainly used In food and medicine industry.

Glycerol: glycerine is colourless sweet clear and bright thick liquid.It is odorless.There is warm sweet taste.It is commonly called as glycerol, can be inhaled from air Moisture is received, hydrogen sulfide, hydrogen cyanide and sulfur dioxide can be also absorbed.It is insoluble in benzene, chloroform, carbon tetrachloride, carbon disulfide, petroleum ether And oils.Relative density 1.26362.17.8 DEG C of fusing point.290.0 DEG C of boiling point (decomposition).Index of refraction 1.4746.Flash-point (opens cup) 176℃.Acute toxicity: LD50:31500mg/kg (rat oral).Glycerine is the framework ingredient of triglycerides molecule.Work as people When body takes in edible fat, triglycerides therein passes through internal metabolic breakdown, forms glycerol and is stored in fat cell.Cause This, the final product of Triglyceride Metabolism in Patients is glycerol and fatty acid.It can be used as solvent, lubricant, medicament and sweetener.

Hydroxyethyl cellulose: hydroxyethyl cellulose (HEC) is a kind of white or faint yellow, tasteless, nontoxic threadiness or Pulverulent solids are prepared by alkali cellulose and the etherified reaction of ethylene oxide (or chlorethanol), belong to non-ionic soluble fibre Plain ethers.Due to HEC have it is good thickening, suspend, dispersion, emulsification, bonding, film forming, protection moisture and provide protecting colloid Etc. characteristics, be widely used in oil exploitation, coating, building, medicine food, weaving, papermaking and macromolecular polymerization reaction Equal fields.40 mesh sieving rate >=99%.

Polyanion cellulose: polyanion cellulose (Poly anioniccellulose) abbreviation PAC, is by natural Water-soluble cellulose ether analog derivative prepared by cellulose is chemically modified is a kind of important water-soluble cellulose ether, leads to Its sodium salt is often applied, oil drilling, especially saline wells and offshore oil drilling are widely used in.

Starch: starch (amylum) is a kind of polysaccharide.Manufacture starch is a kind of mode of plant storing energy.Molecular formula (C6H10O5)n.Starch can be regarded as the high polymer of glucose.Starch in addition to edible, be commercially used for paste producing essence, maltose, Glucose, alcohol etc. are also used for modulation printing paste, the starching of textile, the gluing of paper, compacting of medicinal tablet etc..It can be by It extracts and obtains in the amyloid substances such as corn, sweet potato, wild acorn nut and pueraria lobata.

The invention has the benefit that the fuel performance of preparation is good, smog is few, and thermal efficiency is high.Caking ability is high, combustion heat value Height is nearly free from sulfur dioxide and flying dust, and Air-pollution From Combustion is small, and ash content is few, conducive to the construction of ecological environment.

Detailed description of the invention

It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of preparation method flow chart of biomass granule fuel according to an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected Range.

According to an embodiment of the invention, providing a kind of biomass granule fuel.

Wherein, the sawdust composition includes following material component: 15-17 parts of larch sawdust, elm sawdust 10-16 Part, 10-16 parts of willow sawdust, 10-16 parts of poplar sawdust.

The sawdust composition includes following material component: 10-30 parts of pine wood sawdust, 20-40 parts of weedtree sawdust

The biomass polyester includes following material component: 2-5 parts and glycerol 10-20 parts mixing of malic acid.

The binder includes following material component: hydroxyethyl cellulose 1g, polyanion cellulose 2g and starch 10g.

The binder includes following material component: 1-3 parts of hydroxyethyl cellulose, 2-4 parts of polyanion cellulose and shallow lake 10-16 parts of powder.

Above-mentioned technical proposal of the invention is understood in order to clearer, below by way of specific example to above-mentioned side of the invention Case is described in detail.

Embodiment one

A kind of biomass granule fuel, the biomass granule fuel are made of the raw material of following mass fraction:

Rice straw 20g, corn stover 40g, birch limb 20g, rice husk 20g, sunflower straw 20g, castor-oil plant stalk 10g, peanut shell 15g, wheat stalk 20g, corncob 9g, coal dust 10g, yellow mud 7g, sawdust composition 45g, sawdust composition 30g, biomass polyester 12g, bonding agent 13g.

Wherein, the sawdust composition includes following material component: larch sawdust 15g, elm sawdust 10g, willow wood Consider 10g, poplar sawdust 10g to be worth doing.

The sawdust composition includes following material component: pine wood sawdust 10g, weedtree sawdust 20g.

The biomass polyester includes following material component: malic acid 2g and glycerol 10g mixing.

The preparation of the biomass granule fuel, comprising the following steps:

By weighed rice straw 20g, corn stover 40g, birch limb 20g, rice husk 20g, sunflower straw 20g, Castor-oil plant stalk 10g, peanut shell 15g, wheat stalk 20g, corncob 9g, coal dust 10g and yellow mud 7g are successively dried, are crushed, and are gone forward side by side Row mixing, forms mixture one；

By weighed larch sawdust 15g, elm sawdust 10g, willow sawdust 10g, poplar sawdust 10g, pine wood sawdust 10g, weedtree sawdust 20g, are put into stirred tank and stir, also, be sequentially added into malic acid 2g, glycerol during stirring 10g, hydroxyethyl cellulose 1g, polyanion cellulose 2g and starch 10g form mixture two；

Embodiment two

Rice straw 30g, corn stover 45g, birch limb 25g, rice husk 25g, sunflower straw 25g, castor-oil plant stalk 15g, peanut shell 19g, wheat stalk 25g, corncob 11g, coal dust 15g, yellow mud 11g, sawdust composition 55g, sawdust composition 50g, biomass polyester 19g, bonding agent 18g.

Wherein, the sawdust composition includes following material component: larch sawdust 16g, elm sawdust 13g, willow wood Consider 13g, poplar sawdust 13g to be worth doing.

The sawdust composition includes following material component: pine wood sawdust 20g, weedtree sawdust 30g.

The biomass polyester includes following material component: malic acid 4g and glycerol 15g mixing.

The binder includes following material component: hydroxyethyl cellulose 2g, polyanion cellulose 3g and starch 13g.

The preparation of the biomass granule fuel, comprising the following steps:

By weighed rice straw 30g, corn stover 45g, birch limb 25g, rice husk 25g, sunflower straw 25g, Castor-oil plant stalk 15g, peanut shell 19g, wheat stalk 25g, corncob 11g, coal dust 15g and yellow mud 11g are successively dried, are crushed, and It is mixed, forms mixture one；

By weighed larch sawdust 16g, elm sawdust 13g, willow sawdust 13g, poplar sawdust 13g, pine wood sawdust 20g, weedtree sawdust 30g, are put into stirred tank and stir, also, be sequentially added into malic acid 4g, glycerol during stirring 15g, hydroxyethyl cellulose 2g, polyanion cellulose 3g and starch 13g form mixture two；

Embodiment three

Rice straw 40g, corn stover 50g, birch limb 30g, rice husk 30g, sunflower straw 30g, castor-oil plant stalk 20g, peanut shell 23g, wheat stalk 30g, corncob 30g, coal dust 20g, yellow mud 15g, sawdust composition 65g, sawdust composition 70g, biomass polyester 25g, bonding agent 23g.

Wherein, the sawdust composition includes following material component: larch sawdust 17g, elm sawdust 16g, willow wood Consider 16g, poplar sawdust 16g to be worth doing.

The sawdust composition includes following material component: pine wood sawdust 30g, weedtree sawdust 40g.

The biomass polyester includes following material component: malic acid 5g and glycerol 20g mixing.

The binder includes following material component: hydroxyethyl cellulose 3g, polyanion cellulose 4g and starch 16g.

The preparation of the biomass granule fuel, comprising the following steps:

By weighed rice straw 40g, corn stover 50g, birch limb 30g, rice husk 30g, sunflower straw 30g, Castor-oil plant stalk 20g, peanut shell 23g, wheat stalk 30g, corncob 13g, coal dust 20g and yellow mud 15g are successively dried, are crushed, and It is mixed, forms mixture one；

By weighed larch sawdust 17g, elm sawdust 16g, willow sawdust 16g, poplar sawdust 16g, pine wood sawdust 30g, weedtree sawdust 40g, are put into stirred tank and stir, also, be sequentially added into malic acid 5g, glycerol during stirring 20g, hydroxyethyl cellulose 3g, polyanion cellulose 4g and starch 16g form mixture two；

In order to facilitate above-mentioned technical proposal of the invention is understood, below in conjunction with attached drawing to the process of above scheme of the invention It is described in detail, specific as follows:

According to an embodiment of the invention, additionally providing a kind of preparation method of biomass granule fuel.

As shown in Figure 1, in the actual production process, the preparation of the biomass granule fuel, comprising the following steps:

Step S101 weighs each raw material needed for the biomass granule fuel according to above-mentioned mass fraction；

Step S103, by weighed rice straw, corn stover, birch limb, rice husk, sunflower straw, castor-oil plant straw Stalk, peanut shell, wheat stalk, corncob, coal dust and yellow mud are successively dried, are crushed, and are mixed, and mixture one is formed；

Step S105, by weighed larch sawdust, elm sawdust, willow sawdust, poplar sawdust, pine wood sawdust, miscellaneous Wood saw end, is put into stirred tank and stirs, also, be sequentially added into malic acid, glycerol, hydroxy ethyl fiber during stirring Element, polyanion cellulose and starch form mixture two；

Mixture one and mixture two are launched into reaction kettle, are stirred evenly by step S107, form mixture three；

Mixture three is sent into the drying machine of closed container formula by step S109, while dry, is vacuumized, and is carried out true Sky is dry；

Step S111, by the product after drying, dispensing is pelletized into granulator, obtains finished product.

In one embodiment, the water content of said mixture one is 6-9%, and the water content of mixture two is 9-12%.

In one embodiment, said mixture one and mixture two are launched into reaction kettle, are stirred evenly, are needed to heat up To 175 DEG C, mixing speed is 45 rpms, uniformly one hour of rear heat preservation to be mixed, obtains mixture three.

In one embodiment, it in the above-mentioned drying machine that mixture three is sent into closed container formula, while dry, takes out true Sky is dried in vacuo, and drying temperature maintains 60 to 150 degrees Celsius, and vacuum degree maintains 133Pa or less.

In one embodiment, it during above-mentioned formation mixture two needs that pre-configured mass fraction is added For 95% dehydrated alcohol.

In conclusion enabling to the fuel performance of preparation good by means of above-mentioned technical proposal of the invention, smog is few, Thermal efficiency is high.Caking ability is high, and combustion heat value is high, is nearly free from sulfur dioxide and flying dust, Air-pollution From Combustion is small, and ash content is few, is conducive to The construction of ecological environment.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of biomass granule fuel, which is characterized in that the biomass granule fuel is made of the raw material of following mass fraction:

20-40 parts of rice straw, 40-50 parts of corn stover, 20-30 parts of birch limb, 20-30 parts of rice husk, sunflower straw 20- 30 parts, 10-20 parts of castor-oil plant stalk, 15-23 parts of peanut shell, 20-30 parts of wheat stalk, 9-13 parts of corncob, 10-20 parts of coal dust, 7-15 parts of yellow mud, 45-65 parts of sawdust composition, 30-70 parts of sawdust composition, 12-25 parts of biomass polyester, bonding agent 13-23 Part.

2. biomass granule fuel according to claim 1, which is characterized in that the sawdust composition includes following raw material Component: 15-17 parts of larch sawdust, 10-16 parts of elm sawdust, 10-16 parts of willow sawdust, 10-16 parts of poplar sawdust.

3. biomass granule fuel according to claim 2, which is characterized in that the sawdust composition includes following raw material Component: 10-30 parts of pine wood sawdust, 20-40 parts of weedtree sawdust.

4. biomass granule fuel according to claim 3, which is characterized in that the biomass polyester includes following raw material Component: 2-5 parts and glycerol 10-20 parts mixing of malic acid.

5. biomass granule fuel according to claim 4, which is characterized in that the binder includes following raw material group Part: 1-3 parts of hydroxyethyl cellulose, 2-4 parts of polyanion cellulose and 10-16 parts of starch.

6. a kind of preparation method of biomass granule fuel, which is characterized in that fired for biological particles as claimed in claim 4 The preparation of material, comprising the following steps:

By weighed larch sawdust, elm sawdust, willow sawdust, poplar sawdust, pine wood sawdust, weedtree sawdust, it is put into and stirs It mixes in kettle and stirs, also, be sequentially added into malic acid, glycerol, hydroxyethyl cellulose, polyanion fibre during stirring Dimension element and starch, form mixture two；

7. the preparation method of biomass granule fuel according to claim 6, which is characterized in that said mixture one contains Water is 6-9%, and the water content of mixture two is 9-12%.

8. the preparation method of biomass granule fuel according to claim 6, which is characterized in that said mixture one and mixed It closes object two to launch into reaction kettle, stir evenly, need to be warming up to 175 DEG C, mixing speed is 45 rpms, to be mixed uniform A hour is kept the temperature afterwards, obtains mixture three.

9. the preparation method of biomass granule fuel according to claim 6, which is characterized in that above-mentioned by mixture three It is sent into the drying machine of closed container formula, while dry, vacuumize, be dried in vacuo, drying temperature maintains 60 to 150 Degree Celsius, vacuum degree maintains 133Pa or less.

10. the preparation method of biomass granule fuel according to claim 6, which is characterized in that above-mentioned formation is mixed It needs that the dehydrated alcohol that pre-configured mass fraction is 95% is added during closing object two.