CN102206526B - Granular biomass fuel production process and complete equipment - Google Patents
Granular biomass fuel production process and complete equipment Download PDFInfo
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- CN102206526B CN102206526B CN2011101117451A CN201110111745A CN102206526B CN 102206526 B CN102206526 B CN 102206526B CN 2011101117451 A CN2011101117451 A CN 2011101117451A CN 201110111745 A CN201110111745 A CN 201110111745A CN 102206526 B CN102206526 B CN 102206526B
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- 239000002028 Biomass Substances 0.000 title claims abstract description 87
- 239000000446 fuel Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 239000008187 granular material Substances 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000032683 aging Effects 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000013467 fragmentation Methods 0.000 claims description 10
- 238000006062 fragmentation reaction Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000010006 flight Effects 0.000 claims description 5
- 239000005416 organic matter Substances 0.000 claims description 5
- 239000002817 coal dust Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 14
- 230000006872 improvement Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a granular biomass fuel production process and complete equipment. The production process comprises the following steps of: 1) crushing: crushing biomass materials to be below 200mm; 2) mixing and curing: carrying out spiral stirring, pressurized extruding, rubbing, kneading and crushing and mechanical crushing on the crushed biomass so as to improve the granularity and flexibility of the biomass, wherein the biomass is naturally warmed during the process, active organic matters, such as combined water and tar therein are extruded out from the crushed biomass to become a natural binding agent; 3) air cooling, dehydrating and stirring: stirring and dehydrating the mixed and cured biomass materials so that the moisture content of the biomass materials is controlled at 15-25 percent; 4) extrusion forming to obtain granular biomass fuel with the granularity of below 20mm; and 5) drying: controlling the moisture content of the granular biomass fuel to be below 15 percent. The process has the advantages of good production continuity, wide range of application, lower energy consumption, easiness for forming and high production efficiency, and the prepared granular biomass fuel is convenient to transport and store.
Description
Technical field
The present invention relates to a kind of production technique and suite of equipment of biomass granule fuel.
Background technology
Energy problem is one of deciding factor affected socio-economic development, solve energy problem and just solved the dynamical problem of Economic development, the conventional energy resources of China is in short supply has had a strong impact on socioeconomic fast development, and fossil energy is concentrated and is used on a large scale, discharge the materials such as great amount of carbon dioxide, sulfurous gas, oxynitride, caused harm to the mankind's living environment, countries in the world are all strengthened the development research of renewable energy technologies energetically for this reason.Biomass are as the fourth-largest Energy resources, occupy critical role in renewable energy source, the exploitation biomass energy both can be supplemented the shortage of conventional energy resources, also there is great environmental benefit, with other biological mass-energy source technology, compare, the biomass granule fuel technology more easily realizes scale operation and use, use the comfort level of biomass granule fuel to match in excellence or beauty with combustion gas, fuel oil equal energy source, utilize biomass compact forming device fabrication granular fuel project to meet national industrial policies, there is economic benefit and social benefit preferably.
The production technique of the biomass granule fuel generally adopted at present comprises the following steps: 1) dry: to reduce the moisture in raw material, be convenient to fragmentation; 2) fragmentation: biomass material is crushed to below 10mm by repeatedly broken; 3) add tackiness agent: improve its adhesivity, be convenient to granulation; 4) the dry stirring: by raw material by hot blast stirred, dry, mix, make its water content be controlled at 20% left and right; 5) extrusion molding: the biomass granule fuel that obtains granularity 8-20mm; 6) drying: biomass granule fuel is dried; Corresponding use be produced into complete equipment, comprise the dryer, the biomass crusher more than two, flue gas drying stirrer, shaping extruder, the drying machine that are arranged in order, be equipped with belt feeder between adjacent two machines, one hotblast stove is connected with the feed end of wind cold drying machine with the flue gas drying stirrer respectively by airduct, the discharge end of flue gas drying stirrer and wind cold drying machine all is connected with blower fan by the dehumidifier airduct, also be provided with pay-off above flue gas drying stirrer opening for feed, to add tackiness agent;
During use, in extensive range due to biomass material, comprise stalk, corn stalk, branch, bark, wood substance grain etc., and its natural size, snappiness all have certain difference, to the stalk etc. preferably of snappiness wherein, must dry and its granularity could be controlled at below 10mm through fragmentation repeatedly; Use equipment and auxiliary facility are more, cause that energy consumption is higher, production efficiency is lower; Also need interpolation to have adhering biomass material simultaneously, and it is uniformly mixed, cause technique comparatively loaded down with trivial details, moulding is difficulty comparatively, and after moulding, the density of particle is less than normal, and volume is larger, is not easy to transportation and stores.
Summary of the invention
The objective of the invention is for the prior art above shortcomings, a kind of production technique and suite of equipment of biomass granule fuel are provided, it has advantages of that the continuity of production is good, the biomass material wide accommodation, also adapt to high moisture stalk material, the water content of biomass granule fuel can be controlled at below 15%, pre-treatment is more easy to moulding process, lower, the easy moulding of energy consumption, the advantage that production efficiency is high, and after moulding, the density of particle is large, volume is little, is convenient to transportation and stores.
For achieving the above object, the production technique of biomass granule fuel of the present invention is characterized in that comprising the following steps: 1) fragmentation: biomass material is crushed to below 200mm; 2) modified slaking: the biomass after fragmentation are carried out to screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizing and mechanical disintegration, granularity and the snappiness of biomass are improved, in this process, biomass are heated up simultaneously naturally, its temperature is at 55-80 ℃, its inside in conjunction with water and acitve organic matter (as tar and so on), be extruded out, become natural tackiness agent, water content now is about 25%-35%; 3) air-cooled dehydration is stirred: the biomass material after modified slaking, by air-cooled dehydration, as used induced draft fan, is stirred simultaneously, make its water content be controlled at 15%-25%, and mix; 4) extrusion molding: obtain the following biomass granule fuel of granularity 20mm; 5) drying: the water content of biomass granule fuel is controlled at below 15%.
Above-mentioned production technique is owing to having good crushing effect in modified curing step, therefore, even to snappiness, the raw material such as stalk is also without carrying out the prebake operation preferably, and broken granularity requirements also greatly reduces, without repeatedly broken, applied widely, greatly reduce energy consumption; And during modified slaking, biomass are carried out to screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizing and mechanical disintegration, make granularity and the snappiness of biomass be improved, be convenient to follow-up moulding, obtain particle more closely, in this process, biomass are heated up simultaneously naturally, the acitve organic matter in conjunction with water and tar and so on of its inside is extruded out, becomes natural tackiness agent, and natural mixing, without adding tackiness agent, technique is more easy again; Without using the auxiliary facilitys such as hotblast stove, airduct, further reduce energy consumption in air-cooled dehydration agitating procedure;
As the further improvement of above-mentioned production technique, also carry out dedusting before modified slaking: by the lightweight dust sucking-off in raw material, prevent that it is excessive by negative pressure, thereby guarantee cleaner production; In the time of dedusting, also the inorganic dust in biomass is removed, to guarantee and to improve the calorific value of biological particles;
As the further improvement of above-mentioned production technique, also add auxiliary material after modified slaking: during appropriate coal dust is joined to biomass material; If the low heat value biomass contained in raw material is more, add the calorific value that coal dust can guarantee particle;
As the further improvement of above-mentioned production technique, after stirring, air-cooled dehydration also raw material is carried out to deironing: by magnet adsorption, remove the irony particle in raw material; Can protect the safe operation of extrusion formation equipment;
Biomass granule fuel of the present invention be produced into complete equipment, comprise the biomass crusher be arranged in order, air dryer, shaping extruder, drying machine, it is characterized in that also being provided with modified aging machine between biomass crusher and air dryer, between biomass crusher and modified aging machine, by carrier pipe, be connected, the discharge port of modified aging machine is connected with the opening for feed of air dryer, between air dryer and shaping extruder, be equipped with belt feeder between shaping extruder and drying machine, described modified aging machine comprises base, be fixed in the motor on base, bearing support and casing, one transmission shaft is loaded on bearing support by bearing, one end of transmission shaft is connected with motor by transmission mechanism, its the other end connects firmly with the main shaft of being located in casing, front end at casing is provided with the charging groove, the end of casing is provided with the cone section of shrinking gradually, the end of cone section is discharge gate, the casing inner wall that reaches rear below the charging groove is installed with several axial square abrasive sticks, be installed with the screw-blade with sawtooth on main shaft, its pitch of screw-blade that is positioned at the cone section reduces gradually, and the seamed edge of abrasive stick is provided with cutting edge, be provided with the orifice plate of being close to casing outside the relief hole of casing end, orifice plate is provided with several forming holes that front end is cutting edge, be provided with in the both sides of groove and main shaft two feed spools in the same way, all be installed with several a rod for stiring materials on feed spool, two feed spools are connected with a feeding motor by feed gearing.
Above-mentioned transmission mechanism comprises pulley transmission mechanism, speed reduction unit and shaft coupling, and the input shaft of motor and speed reduction unit is connected by pulley transmission mechanism, and the output shaft of speed reduction unit is connected by shaft coupling with transmission shaft;
Above-mentioned feed gearing comprises speed reduction unit, sprocket wheel link chain mechanism, and the input shaft of this speed reduction unit is connected with the drive sprocket of sprocket wheel link chain mechanism with the feeding motor respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism are loaded on respectively the end of two feed spools;
During use, material is successively by biomass crusher, modified aging machine, air dryer, shaping extruder, drying machine, carry out respectively fragmentation, modified slaking, air-cooled dehydration stirring, extrusion molding, drying process, can realize the automatic transmission of material in suite of equipment by carrier pipe and belt feeder, by modified aging machine, make the granularity of material meet the demands, obtain good processability simultaneously, the equipment simultaneously used is less, has advantages of that lower, the easy moulding of energy consumption, production efficiency are high;
As the above-mentioned further improvement that is produced into complete equipment, be installed with mount pad and slide at the end of casing, orifice plate is loaded in the chute of slide, and the screw mandrel of one screw mandrel-pair of nut and nut are loaded on respectively on mount pad and orifice plate; Rotary screw rod, the position of capable of regulating orifice plate, also be convenient to change;
As the above-mentioned further improvement that is produced into complete equipment, described air dryer is roller-type air dryer, comprise base, be fixed in the reducing motor on base, cylinder, connect reducing motor and cylinder drive, transmission mechanism comprises two rolling rings that are fixedly arranged on cylinder outer wall, bearing support and bearing by separately are fixedly arranged on two groups of support rollers on base, every group of support roller comprises two support rollers that are positioned at the cylinder axis both sides, a support roller in every group of support roller is connected with an output shaft of reducing motor by kinematic link separately, every group of support roller contacts with each self-corresponding rolling ring, front end at cylinder is provided with opening for feed, is provided with the several piece material lifting flights on inner wall of rotary drum, also is installed with sealing on base, the rear end of cylinder is positioned at sealing, and cylinder and sealing radially are being the gap setting, and sealing is provided with discharge gate, be installed with vapor pipe in sealing, be provided with induced draft fan in vapor pipe, during use, reducing motor drives each self-corresponding support roller by two kinematic links and rotates, driving cylinder by rolling ring again rotates, material enters in cylinder from opening for feed, constantly from bottom, taken up, fall by material lifting flights, induced draft fan starts and forms natural wind, and the moisture in cylinder is taken away, and, to the material cooling, reach purpose air-dry, dehydration, due to without using the auxiliary facilitys such as hotblast stove, airduct, have advantages of simple in structure, cost is low, floor space is little, and further reduces energy consumption,
As the above-mentioned further improvement that is produced into complete equipment, also be provided with collecting bin above the charging groove of modified aging machine, biomass crusher is connected with modified aging machine with collecting bin by carrier pipe, and tornado dust collector are connected with collecting bin by pipeline; Can carry out dedusting to material;
In sum, the present invention has advantages of that the continuity of production is good, the biomass material wide accommodation, also adapt to high moisture stalk material, the water content of biomass granule fuel can be controlled at below 15%, pre-treatment is more easy to moulding process, lower, the easy moulding of energy consumption, the advantage that production efficiency is high, and after moulding, the density of particle is large, volume is little, is convenient to transportation and stores.
The accompanying drawing explanation
The structure diagram that is produced into complete equipment that Fig. 1 is biomass granule fuel of the present invention.
The front view that Fig. 2 is modified aging machine.
The left view that Fig. 3 is Fig. 2.
The A-A sectional view that Fig. 4 is Fig. 2.
The front view that Fig. 5 is roller-type air dryer.
The B-B sectional view that Fig. 6 is Fig. 5.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
As shown in Figure 1, biomass granule fuel of the present invention be produced into complete equipment, comprise the biomass crusher 1 be arranged in order, modified aging machine 2, roller-type air dryer 3, shaping extruder 4, drying machine 5, also be provided with collecting bin 7 above the charging groove of modified aging machine 2, biomass crusher 1 is connected with modified aging machine 2 with collecting bin 7 by carrier pipe 11, one tornado dust collector 8 are connected with collecting bin 7 by pipeline, the discharge port of modified aging machine 2 is connected with the opening for feed of roller-type air dryer 3, be provided with belt feeder 6 between roller-type air dryer 3 and shaping extruder 4, be provided with belt feeder 9 between shaping extruder 4 and drying machine 5, also be provided with magnet 10 by support above belt feeder 6,
Described modified aging machine as shown in Figure 2, Figure 3 and Figure 4, comprise base 14, be fixed in motor 15, bearing support 16 and casing 17 on base 14, one transmission shaft 18 is loaded on bearing support 16 by bearing 19, one end of transmission shaft 18 is connected with motor 15 by transmission mechanism, its the other end connects firmly with the main shaft 20 of being located in casing 17, described transmission mechanism comprises pulley transmission mechanism 21, speed reduction unit 22 and shaft coupling 23, the input shaft of motor 15 and speed reduction unit 22 is connected by pulley transmission mechanism 21, and the output shaft of speed reduction unit 22 is connected by shaft coupling 23 with transmission shaft 18, front end at casing 17 is provided with charging groove 24, the end of casing 17 is provided with the cone section 17a shunk gradually, the end of cone section 17a is discharge gate, casing 17 inwalls that reach rear below charging groove 24 are installed with several axial square abrasive sticks 25, be installed with the screw-blade 26 with sawtooth on main shaft 20, its pitch of screw-blade that is positioned at cone section 17a reduces gradually, the seamed edge of abrasive stick 25 is provided with cutting edge, end at casing 17 is installed with mount pad 27 and slide 28, one orifice plate 29 is loaded in the chute of slide 28, orifice plate 29 is provided with several forming holes 30 that front end is cutting edge, this orifice plate 29 is close to the relief hole of casing 17 ends, the screw mandrel 31 of one screw mandrel-pair of nut and nut 32 are loaded on respectively on mount pad 27 and orifice plate 29, in the both sides of charging groove 24, be provided with and main shaft 20 two feed spools 33 in the same way, all be installed with several a rod for stiring materials 34 on feed spool 33, two feed spools 33 are connected with a feeding motor (not shown) by feed gearing, described feed gearing comprises speed reduction unit 35, sprocket wheel link chain mechanism 36, the input shaft of this speed reduction unit 35 is connected with the drive sprocket of sprocket wheel link chain mechanism 36 with the feeding motor respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism 36 are loaded on respectively the end of two feed spools 33,
Described roller-type air dryer is as Fig. 5, shown in Fig. 6, comprise base 42, be fixed in reducing motor 43 and sealing 44 on base 42, cylinder 41, the transmission mechanism that connects reducing motor 43 and cylinder 41, transmission mechanism comprises two rolling rings 45 that are fixedly arranged on cylinder 41 outer walls, bearing support 46 and bearing (not shown) by separately are fixedly arranged on two groups of support rollers on base 42, every group of support roller comprises two support rollers 47 that are positioned at the cylinder axis both sides, 48, support roller 47 in every group of support roller is connected with an output shaft of reducing motor 43 by kinematic link 49 separately, every group of support roller contacts with each self-corresponding rolling ring 45, the front end of cylinder 1 is provided with opening for feed 50, be provided with several piece material lifting flights 51 on cylinder 41 inwalls, the rear end of cylinder 41 is positioned at sealing 44, cylinder 41 radially is being the gap setting with sealing 44, sealing 44 is provided with discharge gate 52, is installed with vapor pipe 53 in sealing 44, and the front end of described vapor pipe 53 is positioned at cylinder 41, and be pre-large post-small tubaeform, be provided with induced draft fan 54 in vapor pipe 53,
Use the above-mentioned production technique that is produced into the biomass granule fuel of complete equipment, comprise the following steps: 1) fragmentation: by biomass crusher 1, biomass material is crushed to below 200mm, 2) dedusting: remove the lightweight dust in material in collecting bin 7 by tornado dust collector 8, prevent that it is excessive, thereby guarantee cleaner production, also the inorganic dust in biomass is removed simultaneously, to guarantee and to improve the calorific value of biological particles, 3) modified slaking: feeding machine operation, sprocket wheel link chain mechanism 36 drives two feed spools 33 and inwardly rotates, the material that a rod for stiring materials 34 will enter in charging groove 24 is carried downwards, motor 15 is by pulley transmission mechanism 21, speed reduction unit 22 and shaft coupling 23 drive main shaft 18 rotations, biomass material after fragmentation is carried out to screw type stirring by screw-blade 26 in modified aging machine, in the casing cone section 17a extruding of pressurizeing, storeroom phase mutual friction rubbing is pulverized, and with screw-blade 26, abrasive stick 25 and orifice plate 29 carry out mechanical disintegration, granularity and the snappiness of material are improved, in this process, material is heated up simultaneously naturally, its temperature is at 55-80 ℃, its inside in conjunction with water and acitve organic matter (tar and so on), be extruded out, become natural tackiness agent, water content now is about 25%-35%, 4) air-cooled dehydration is stirred: reducing motor 43 drives each self-corresponding support roller 47 by two kinematic links 49 and rotates, driving cylinder 41 by rolling ring 45 again rotates, induced draft fan 54 is enabled in the interior formation natural wind of cylinder 41, material enters in cylinder 41 from opening for feed 50, by material lifting flights 51, constantly from bottom, taken up, fall, with natural wind, fully contact, moisture in cylinder 41 is taken away, and material is lowered the temperature, reach air-dry, dehydration and the purpose stirred, make its water content be controlled at 15%-25%, in this process, can add by the opening for feed of roller-type air dryer 3 appropriate coal dust as required, can guarantee the calorific value of shaped granule, 5) deironing: when material passes through the belt feeder 6 between roller-type air dryer 3 and shaping extruder 4, by magnet 10 absorption, remove the irony particle in raw material, can protect the safe operation of extrusion formation equipment, 6) extrusion molding: material, by shaping extruder 4, obtains the following biomass granule fuel of granularity 20mm, 7) drying: the water content of biomass granule fuel is controlled at below 15% by drying machine 5.
The present invention generally is provided with the wind-force pay-off because biomass crusher 1 is interior, broken rear material is lighter, by carrier pipe 11 and belt feeder 6,9, can realize the automatic transmission of material in suite of equipment, has advantages of that the continuity of production is good, owing to thering is good crushing effect in modified curing step, therefore, even the raw material such as stalk is also without carrying out baking operation preferably for, snappiness moisture to height, and the granularity requirements of primary crushing also greatly reduces, without repeatedly broken, applied widely, and greatly reduce energy consumption, during modified slaking, material is carried out to screw type stirring, the pressurization extruding, phase mutual friction rubbing is pulverized, and mechanical disintegration, make granularity and the snappiness of biomass be improved, be convenient to follow-up moulding, obtain particle more closely, in this process, biomass are heated up simultaneously naturally, the acitve organic matter in conjunction with water and tar and so on of its inside is extruded out, become natural tackiness agent, and natural mixing, without adding again tackiness agent, pre-treatment is more easy to moulding process, there is energy consumption lower, easily moulding, the advantage that production efficiency is high, and the small volume of particle after moulding, be convenient to transportation and store, roller-type air dryer 3 is without being used the auxiliary facilitys such as hotblast stove, airduct, have advantages of simple in structure, cost is low, floor space is little, and it is low further to reduce energy consumption.
Claims (10)
1. the production technique of a biomass granule fuel, is characterized in that comprising the following steps: 1) fragmentation: biomass material is crushed to below 200mm; 2) modified slaking: the biomass after fragmentation are carried out to screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizing and mechanical disintegration, granularity and the snappiness of biomass are improved, in this process, biomass are heated up simultaneously naturally, its inside in conjunction with water and acitve organic matter, be extruded out, become natural tackiness agent; 3) air-cooled dehydration is stirred: the biomass material after modified slaking, by air-cooled dehydration, is stirred simultaneously, make its water content be controlled at 15%-25%, and mix; 4) extrusion molding: obtain the following biomass granule fuel of granularity 20mm; 5) drying: the water content of biomass granule fuel is controlled at below 15%.
2. the production technique of biomass granule fuel as claimed in claim 1 is characterized in that also carrying out dedusting before modified slaking: by negative pressure by the lightweight dust sucking-off in raw material.
3. the production technique of biomass granule fuel as claimed in claim 1 or 2, is characterized in that also adding auxiliary material after modified slaking: during appropriate coal dust is joined to biomass material.
4. the production technique of biomass granule fuel as claimed in claim 3, is characterized in that also raw material being carried out to deironing after air-cooled dehydration is stirred: by magnet adsorption, remove the irony particle in raw material.
5. for the complete equipment that is produced into of the production technique of the described biomass granule fuel of claim 1, comprise the biomass crusher be arranged in order, air dryer, shaping extruder, drying machine, it is characterized in that also being provided with modified aging machine between biomass crusher and air dryer, between biomass crusher and modified aging machine, by carrier pipe, be connected, the discharge port of modified aging machine is connected with the opening for feed of air dryer, between air dryer and shaping extruder, be equipped with belt feeder between shaping extruder and drying machine, described modified aging machine comprises base, be fixed in the motor on base, bearing support and casing, one transmission shaft is loaded on bearing support by bearing, one end of transmission shaft is connected with motor by transmission mechanism, its the other end connects firmly with the main shaft of being located in casing, front end at casing is provided with the charging groove, the end of casing is provided with the cone section of shrinking gradually, form discharge gate, the casing inner wall that reaches rear below the charging groove is installed with several axial square abrasive sticks, be installed with the screw-blade with sawtooth on main shaft, its pitch of screw-blade that is positioned at the cone section reduces gradually, and the seamed edge of abrasive stick is provided with cutting edge, be provided with the orifice plate of being close to casing outside the relief hole of casing end, orifice plate is provided with several forming holes that front end is cutting edge, be provided with in the both sides of groove and main shaft two feed spools in the same way, all be installed with several a rod for stiring materials on feed spool, two feed spools are connected with a feeding motor by feed gearing.
6. as claimed in claim 5 for the complete equipment that is produced into of the production technique of biomass granule fuel, it is characterized in that described transmission mechanism comprises pulley transmission mechanism, speed reduction unit and shaft coupling, the input shaft of motor and speed reduction unit is connected by pulley transmission mechanism, and the output shaft of speed reduction unit is connected by shaft coupling with transmission shaft.
7. as claimed in claim 5 for the complete equipment that is produced into of the production technique of biomass granule fuel, it is characterized in that described feed gearing comprises speed reduction unit, sprocket wheel link chain mechanism, the input shaft of this speed reduction unit is connected with the drive sprocket of sprocket wheel link chain mechanism with the feeding motor respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism are loaded on respectively the end of two feed spools.
8. as described in as arbitrary as claim 5 to 7 for the complete equipment that is produced into of the production technique of biomass granule fuel, it is characterized in that being installed with mount pad and slide at the end of casing, orifice plate is loaded in the chute of slide, and the screw mandrel of one screw mandrel-pair of nut and nut are loaded on respectively on mount pad and orifice plate.
9. as claimed in claim 5 for the complete equipment that is produced into of the production technique of biomass granule fuel, it is characterized in that described air dryer is roller-type air dryer, comprise base, be fixed in the reducing motor on base, cylinder, connect reducing motor and cylinder drive, transmission mechanism comprises two rolling rings that are fixedly arranged on cylinder outer wall, bearing support and bearing by separately are fixedly arranged on two groups of support rollers on base, every group of support roller comprises two support rollers that are positioned at the cylinder axis both sides, a support roller in every group of support roller is connected with an output shaft of reducing motor by kinematic link separately, every group of support roller contacts with each self-corresponding rolling ring, front end at cylinder is provided with opening for feed, is provided with the several piece material lifting flights on inner wall of rotary drum, also is installed with sealing on base, the rear end of cylinder is positioned at sealing, and cylinder and sealing radially are being the gap setting, and sealing is provided with discharge gate, be installed with vapor pipe in sealing, be provided with induced draft fan in vapor pipe.
10. as claimed in claim 5 for the complete equipment that is produced into of the production technique of biomass granule fuel, it is characterized in that also being provided with collecting bin above the charging groove of modified aging machine, biomass crusher is connected with modified aging machine with collecting bin by carrier pipe, and tornado dust collector are connected with collecting bin by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101117451A CN102206526B (en) | 2011-01-24 | 2011-05-03 | Granular biomass fuel production process and complete equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110024969.9 | 2011-01-24 | ||
| CN2011100249699A CN102061209A (en) | 2011-01-24 | 2011-01-24 | Production process of biomass pellet fuel and complete equipment |
| CN2011101117451A CN102206526B (en) | 2011-01-24 | 2011-05-03 | Granular biomass fuel production process and complete equipment |
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| CN102206526A CN102206526A (en) | 2011-10-05 |
| CN102206526B true CN102206526B (en) | 2013-12-04 |
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| CN2011100249699A Pending CN102061209A (en) | 2011-01-24 | 2011-01-24 | Production process of biomass pellet fuel and complete equipment |
| CN2011101117451A Expired - Fee Related CN102206526B (en) | 2011-01-24 | 2011-05-03 | Granular biomass fuel production process and complete equipment |
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| CN2011100249699A Pending CN102061209A (en) | 2011-01-24 | 2011-01-24 | Production process of biomass pellet fuel and complete equipment |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533378A (en) * | 2012-03-05 | 2012-07-04 | 如东中科新能源科技有限公司 | Process for producing biomass cured and molded fuel |
| CN102676262A (en) * | 2012-05-14 | 2012-09-19 | 吉安奥科生物质能源有限公司 | Forest waste forming fuel and processing method thereof |
| CN103074137A (en) * | 2012-11-15 | 2013-05-01 | 肥城市宏源环保机械有限公司 | Continuous production method of biomass fuel blocks |
| CN103992837A (en) * | 2014-05-29 | 2014-08-20 | 德清富森利节能科技有限公司 | Production equipment for biomass wood pellet fuel |
| CN105950248A (en) * | 2016-05-12 | 2016-09-21 | 安徽省珍云生物能源有限公司 | Smokeless and odorless fuel rod and preparation method thereof |
| CN105885986A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Fuel rod for hot water boiler and preparation method for fuel rod |
| CN105885985A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Fuel rod for smelting equipment and preparation method thereof |
| CN106440751A (en) * | 2016-11-30 | 2017-02-22 | 黑龙江省能源环境研究院 | Waste heat recovery system for biomass compression forming device |
| CN108865312B (en) * | 2018-06-30 | 2020-11-27 | 嘉兴量创科技有限公司 | Biofuel preparation facilities |
| CN109022095A (en) * | 2018-07-23 | 2018-12-18 | 重庆理工大学 | RDF fuel producing apparatus and RDF fuel process |
| CN109134011B (en) * | 2018-08-20 | 2021-04-27 | 青岛科光生物技术有限公司 | Biomass organic fertilizer preparation facilities |
| CN111253988A (en) * | 2020-02-19 | 2020-06-09 | 河北工业大学 | Preparation method of clean biomass briquette |
| CN113293041A (en) * | 2021-04-13 | 2021-08-24 | 常州安斯克节能科技有限公司 | Novel biomass solidified forming fuel particle and production equipment thereof |
| CN113694829B (en) * | 2021-08-20 | 2023-07-07 | 德江县燃焰绿色能源开发有限公司 | Living beings granule processingequipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1770152A1 (en) * | 2005-09-28 | 2007-04-04 | Cargill, Inc. | Method and device for pelletizing unprocessed sugar-cane bagasse |
| JP2008120890A (en) * | 2006-11-10 | 2008-05-29 | Itou Seibaku:Kk | Method for producing biomass fuel, biomass fuel and method for utilizing used medium |
| CN1969694A (en) * | 2006-11-29 | 2007-05-30 | 佛山市金浦饲料实业有限公司 | Feed seasoning and curing method |
| CN201380596Y (en) * | 2009-04-15 | 2010-01-13 | 阜新市颗粒饲料机械厂 | Biomass fuel briquetting machine |
| CN101555429B (en) * | 2009-05-05 | 2013-01-30 | 农业部规划设计研究院 | Processing method for biomass solid molding fuel |
-
2011
- 2011-01-24 CN CN2011100249699A patent/CN102061209A/en active Pending
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| CN102206526A (en) | 2011-10-05 |
| CN102061209A (en) | 2011-05-18 |
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