CN102206526A

CN102206526A - Granular biomass fuel production process and complete equipment

Info

Publication number: CN102206526A
Application number: CN2011101117451A
Authority: CN
Inventors: 雷建国
Original assignee: LEIMING BIOLOGICAL ENVIRONMENT PROTECTION ENGINEERING Co Ltd SICHUAN
Priority date: 2011-01-24
Filing date: 2011-05-03
Publication date: 2011-10-05
Anticipated expiration: 2031-05-03
Also published as: CN102061209A; CN102206526B

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

The production technique of biomass granule fuel and suite of equipment

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 that influences 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 to have had a strong impact on socioeconomic fast development, and fossil energy is concentrated use on a large scale, discharge materials such as great amount of carbon dioxide, sulfurous gas, oxynitride, caused harm to existent environment of people, 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, in renewable energy source, occupy critical role, the shortage that the exploitation biomass energy both can have been replenished conventional energy resources, also has great environmental benefit, compare with other biological mass-energy source technology, the biomass granule fuel technology is easy realization of large-scale production and use more, 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, have favorable economic benefit and social benefit.

The production technique of the biomass granule fuel that generally adopts may further comprise the steps: 1) oven dry: to reduce the moisture in the raw material, be convenient to fragmentation at present; 2) fragmentation: biomass material is crushed to below the 10mm by repeatedly broken; 3) add tackiness agent: improve its adhesivity, be convenient to granulation; 4) the dry stirring: with raw material by hot blast stir, dry, mix, its water content is controlled at about 20%; 5) extrusion molding: the biomass granule fuel that obtains granularity 8-20mm; 6) drying: biomass granule fuel is dried; Corresponding use produce 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 links to each other with the feed end of flue gas drying stirrer with the wind cold drying machine respectively by airduct, the discharge end of flue gas drying stirrer and wind cold drying machine all links to each other with blower fan by the dehumidifier airduct, above flue gas drying stirrer opening for feed, also be provided with pay-off, to add tackiness agent;

During use, because biomass material is in extensive range, comprises stalk, corn stalk, branch, bark, wood substance grain etc., its natural size, snappiness all have certain difference, to the stalk etc. preferably of snappiness wherein, must oven dry and its granularity could be controlled at below the 10mm through fragmentation repeatedly; Use equipment and auxiliary facility are more, cause that energy consumption is higher, production efficiency is lower; Also need add simultaneously and have adhering biomass material, and it is mixed, cause technology comparatively loaded down with trivial details, moulding is difficulty comparatively, and particulate density is less than normal after the moulding, and volume is bigger, is not easy to transportation and stores.Summary of the invention

The objective of the invention is at the prior art above shortcomings, a kind of production technique and suite of equipment of biomass granule fuel are provided, the continuity that it has production is good, the advantage of 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, advantage of high production efficiency, and particulate density is big after the moulding, volume is little, is convenient to transportation and storage.

For achieving the above object, the production technique of biomass granule fuel of the present invention is characterized in that may further comprise the steps: 1) fragmentation: biomass material is crushed to below the 200mm; 2) modified slaking: the biomass after the fragmentation are carried out screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizing and mechanical disintegration, the granularity and the snappiness of biomass are improved, biomass are heated up simultaneously naturally in this process, its temperature is at 55-80 ℃, the acitve organic matter of the combination water that it is inner and tar and so on is extruded out, become natural tackiness agent, the water content of this moment is about 25%-35%; 3) air-cooled dehydration is stirred: the biomass material after the modified slaking by air-cooled dehydration, as using 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 have good crushing effect in modified curing step, even therefore to snappiness preferably raw material such as stalk also need not to carry out the prebake operation, and broken granularity requirements also greatly reduces, and need not repeatedly broken, applied widely, greatly reduce energy consumption; And during modified slaking biomass being carried out screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizes and mechanical disintegration, make the granularity and the snappiness of biomass be improved, be convenient to follow-up moulding, obtain particle more closely, biomass are heated up simultaneously naturally in this process, the acitve organic matter of the combination water that it is inner and tar and so on is extruded out, becomes natural tackiness agent, and natural mixing, need not to add tackiness agent, technology is more easy again; In air-cooled dehydration agitating procedure, need not to use auxiliary facilitys such as hotblast stove, airduct, further cut down the consumption of energy;

As the further improvement of above-mentioned production technique, before modified slaking, also carry out dedusting: with the lightweight dust sucking-off in the raw material, prevent that it is excessive by negative pressure, thereby guarantee cleaner production; The dust separating while also removes the inorganic dust in the biomass, to guarantee and to improve the calorific value of biological particles;

As the further improvement of above-mentioned production technique, after modified slaking, also add auxiliary material: an amount of coal dust is joined in the biomass material; If the low heat value biomass that contains in the raw material is more, adds coal dust and can guarantee the particulate calorific value;

As the further improvement of above-mentioned production technique, after stirring, air-cooled dehydration also raw material is carried out tramp iron separator:, remove the irony particle in the raw material by magnet absorption; Can protect the safe operation of extrusion formation equipment;

Biomass granule fuel of the present invention produce complete equipment, comprise the biomass crusher that is arranged in order, air dryer, shaping extruder, drying machine, it is characterized in that between biomass crusher and air dryer, also being provided with modified aging machine, be connected by carrier pipe between biomass crusher and the modified aging machine, the discharge port of modified aging machine links to each other with the opening for feed of air dryer, between air dryer and the shaping extruder, be equipped with belt feeder between shaping extruder and the drying machine, described modified aging machine comprises base, be fixed in the motor on the base, bearing support and casing, one transmission shaft is loaded on the bearing support by bearing, one end of transmission shaft links to each other with motor by transmission mechanism, and its other end connects firmly with the main shaft of being located in the casing; Front end at casing is provided with the charging groove, the end of casing is provided with the awl section of shrinking gradually, the end of awl section is a discharge gate, the casing inner wall that reaches the rear below the charging groove is installed with several axial quadrate abrasive sticks, be installed with the screw-blade of band saw tooth on the main shaft, its pitch of screw-blade that is positioned at the awl 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 moulding holes that front end is a cutting edge; Be provided with and main shaft two feed spools in the same way in the both sides of groove, all be installed with several a rod for stiring materials on the feed spool, two feed spools link to each other with a feeding motor by feed gearing.

Above-mentioned transmission mechanism comprises pulley transmission mechanism, speed reduction unit and shaft coupling, and motor links to each other by pulley transmission mechanism with input shaft of speed reducer, and the output shaft of speed reduction unit links to each other by shaft coupling with transmission shaft;

Above-mentioned feed gearing comprises speed reduction unit, sprocket wheel link chain mechanism, and this input shaft of speed reducer links to each other with the drive sprocket of feeding motor with the sprocket wheel link chain mechanism respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism are loaded on the end of two feed spools respectively;

During use, material is successively by biomass crusher, modified aging machine, air dryer, shaping extruder, drying machine, carry out fragmentation, modified slaking, air-cooled dehydration stirring, extrusion molding, drying process respectively, can realize the automatic transmission of material in suite of equipment by carrier pipe and belt feeder, make the granularity of material meet the demands by modified aging machine, obtain good processability simultaneously, employed equipment is less simultaneously, has lower, the easy moulding of energy consumption, advantage of high production efficiency;

As the above-mentioned further improvement that produces 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 the orifice plate; Rotary screw rod can be adjusted the position of orifice plate, also is convenient to change;

As the above-mentioned further improvement that produces complete equipment, described air dryer is the drum-type air dryer, comprise base, be fixed in the reducing motor on the base, cylinder, connect reducing motor and cylinder drive, transmission mechanism comprises two rolling rings that are fixedly arranged on the cylinder outer wall, bearing support by separately and bearing are fixedly arranged on two groups of support rollers on the 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 links to each other with an output shaft of reducing motor by kinematic link separately, and 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, in sealing, be installed with vapor pipe, be provided with induced draft fan in the 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 the cylinder from opening for feed, constantly taken up, fall from the bottom by material lifting flights, induced draft fan starts and forms natural wind, and the moisture in the cylinder is taken away, and, reach purpose air-dry, dehydration to the material cooling; Owing to need not to use auxiliary facilitys such as hotblast stove, airduct, have advantage simple in structure, that cost is low, floor space is little, and further cut down the consumption of energy;

As the above-mentioned further improvement that produces complete equipment, above the charging groove of modified aging machine, also be provided with collecting bin, biomass crusher is connected with modified aging machine with collecting bin by carrier pipe, and tornado dust collector link to each other with collecting bin by pipeline; Can carry out dedusting to material;

In sum, the continuity that the present invention has production is good, the advantage of 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, advantage of high production efficiency, and particulate density is big, volume is little after the moulding, is convenient to transportation and storage.

Description of drawings

Fig. 1 is the structure diagram that produces complete equipment of biomass granule fuel of the present invention.

Fig. 2 is the front view of modified aging machine.

Fig. 3 is the left view of Fig. 2.

Fig. 4 is the A-A sectional view of Fig. 2.

Fig. 5 is the front view of drum-type air dryer.

Fig. 6 is the B-B sectional view of Fig. 5.

Embodiment

The present invention is further detailed explanation below in conjunction with accompanying drawing.

As shown in Figure 1, biomass granule fuel of the present invention produce complete equipment, comprise the biomass crusher 1 that is arranged in order, modified aging machine 2, drum-type air dryer 3, shaping extruder 4, drying machine 5, above the charging groove of modified aging machine 2, also be provided with collecting bin 7, biomass crusher 1 is connected with modified aging machine 2 with collecting bin 7 by carrier pipe 11, one tornado dust collector 8 link to each other with collecting bin 7 by pipeline, the discharge port of modified aging machine 2 links to each other with the opening for feed of drum-type air dryer 3, be provided with belt feeder 6 between drum-type air dryer 3 and the shaping extruder 4, be provided with belt feeder 9 between shaping extruder 4 and the drying machine 5, above belt feeder 6, also be provided with magnet 10 by support;

Described modified aging machine such as Fig. 2, Fig. 3 and shown in Figure 4, comprise base 14, be fixed in motor 15, bearing support 16 and casing 17 on the base 14, one transmission shaft 18 is loaded on the bearing support 16 by bearing 19, one end of transmission shaft 18 links to each other with motor 15 by transmission mechanism, its the other end connects firmly with the main shaft of being located in the casing 17 20, 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 links to each other by pulley transmission mechanism 21, and the output shaft of speed reduction unit 22 links to each other 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 awl section 17a that shrinks gradually, the end of awl section 17a is a discharge gate, casing 17 inwalls that reach the rear below charging groove 24 are installed with several axial quadrate abrasive sticks 25, be installed with the screw-blade 26 of band saw tooth on the main shaft 20, its pitch of screw-blade that is positioned at awl 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 moulding holes 30 that front end is a cutting edge, this orifice plate 29 is close to the relief hole of casing 17 ends, and the screw mandrel 31 of one screw mandrel-pair of nut and nut 32 are loaded on respectively on mount pad 27 and the orifice plate 29; Be provided with and main shaft 20 two feed spools 33 in the same way in the both sides of charging groove 24, all be installed with several a rod for stiring materials 34 on the feed spool 33, two feed spools 33 link to each other 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 links to each other with the drive sprocket of feeding motor with sprocket wheel link chain mechanism 36 respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism 36 are loaded on the end of two feed spools 33 respectively;

Described drum-type air dryer such as Fig. 5, shown in Figure 6, comprise base 42, be fixed in reducing motor 43 and sealing 44 on the 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 by separately and bearing (not shown) are fixedly arranged on two groups of support rollers on the 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 links to each other with an output shaft of reducing motor 43 by kinematic link 49 separately, and 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, on cylinder 41 inwalls, be provided with several piece material lifting flights 51, 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 the vapor pipe 53;

Use the above-mentioned production technique that produces the biomass granule fuel of complete equipment, may further comprise the steps: 1) fragmentation: biomass material is crushed to below the 200mm by biomass crusher 1; 2) dedusting: remove the lightweight dust in the material in the collecting bin 7 by tornado dust collector 8, prevent that it is excessive, thereby guarantee cleaner production, also the inorganic dust in the 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 the 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 the fragmentation is carried out screw type stirring by screw-blade 26 in modified aging machine, in the casing awl 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, the granularity and the snappiness of material are improved, material is heated up simultaneously naturally in this process, its temperature is at 55-80 ℃, the acitve organic matter of the combination water that it is inner and tar and so on is extruded out, become natural tackiness agent, the water content of this moment 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 and forms natural wind in the cylinder 41, material enters in the cylinder 41 from opening for feed 50, constantly taken up by material lifting flights 51 from the bottom, fall, fully contact with natural wind, moisture in the cylinder 41 is taken away, and material lowered the temperature, reach air-dry, dehydration and the purpose that stirs make its water content be controlled at 15%-25%, in this process, can add an amount of coal dust by the opening for feed of drum-type air dryer 3 as required, can guarantee the calorific value of shaped granule; 5) tramp iron separator: material is during through the belt feeder 6 between drum-type air dryer 3 and the shaping extruder 4, and by magnet 10 absorption, the irony particle in the removal raw material can be protected the safe operation of extrusion formation equipment; 6) extrusion molding: material obtains the following biomass granule fuel of granularity 20mm by shaping extruder 4; 7) drying: be controlled at below 15% by the water content of drying machine 5 with biomass granule fuel.

The present invention is owing to generally be provided with the wind-force pay-off in the biomass crusher 1, and broken back material is lighter, can realize the automatic transmission of material in suite of equipment by carrier pipe 11 and belt feeder 6,9, has the good advantage of continuity of production; Owing in modified curing step, have good crushing effect, even therefore moisture to height, snappiness raw material such as stalk preferably also need not to carry out baking operation, and the granularity requirements of primary crushing also greatly reduces, and need not repeatedly broken, applied widely, and greatly reduce energy consumption; During modified slaking material is carried out screw type stirring, the pressurization extruding, phase mutual friction rubbing is pulverized, and mechanical disintegration, make the granularity and the snappiness of biomass be improved, be convenient to follow-up moulding, obtain particle more closely, biomass are heated up simultaneously naturally in this process, the acitve organic matter of the combination water that it is inner and tar and so on is extruded out, become natural tackiness agent, and natural mixing, need not to add again tackiness agent, pre-treatment is more easy to moulding process, it is lower to have energy consumption, moulding easily, advantage of high production efficiency, and the particulate volume is less after the moulding, is convenient to transportation and storage; Drum-type air dryer 3 need not to use auxiliary facilitys such as hotblast stove, airduct, have advantage simple in structure, that cost is low, floor space is little, and it is low further to cut down the consumption of energy.

Claims

1. the production technique of a biomass granule fuel is characterized in that may further comprise the steps: 1) fragmentation: biomass material is crushed to below the 200mm; 2) modified slaking: the biomass after the fragmentation are carried out screw type stirring, pressurization extruding, phase mutual friction rubbing pulverizing and mechanical disintegration, the granularity and the snappiness of biomass are improved, biomass are heated up simultaneously naturally in this process, the acitve organic matter of the combination water that it is inner and tar and so on is extruded out, becomes natural tackiness agent; 3) air-cooled dehydration is stirred: the biomass material after the 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 with the lightweight dust sucking-off in the 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: an amount of coal dust is joined in the 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 tramp iron separator after air-cooled dehydration is stirred: by magnet absorption, remove the irony particle in the raw material.

5. be used for claim 1 biomass granule fuel produce complete equipment, comprise the biomass crusher that is arranged in order, air dryer, shaping extruder, drying machine, it is characterized in that between biomass crusher and air dryer, also being provided with modified aging machine, be connected by carrier pipe between biomass crusher and the modified aging machine, the discharge port of modified aging machine links to each other with the opening for feed of air dryer, between air dryer and the shaping extruder, be equipped with belt feeder between shaping extruder and the drying machine, described modified aging machine comprises base, be fixed in the motor on the base, bearing support and casing, one transmission shaft is loaded on the bearing support by bearing, one end of transmission shaft links to each other with motor by transmission mechanism, and its other end connects firmly with the main shaft of being located in the casing; Front end at casing is provided with the charging groove, the end of casing is provided with the awl section of shrinking gradually, form discharge gate, the casing inner wall that reaches the rear below the charging groove is installed with several axial quadrate abrasive sticks, be installed with the screw-blade of band saw tooth on the main shaft, its pitch of screw-blade that is positioned at the awl 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 moulding holes that front end is a cutting edge; Be provided with and main shaft two feed spools in the same way in the both sides of groove, all be installed with several a rod for stiring materials on the feed spool, two feed spools link to each other with a feeding motor by feed gearing.

6. biomass granule fuel as claimed in claim 5 produces complete equipment, it is characterized in that described transmission mechanism comprises pulley transmission mechanism, speed reduction unit and shaft coupling, motor links to each other by pulley transmission mechanism with input shaft of speed reducer, and the output shaft of speed reduction unit links to each other by shaft coupling with transmission shaft.

7. biomass granule fuel as claimed in claim 5 produces complete equipment, it is characterized in that described feed gearing comprises speed reduction unit, sprocket wheel link chain mechanism, this input shaft of speed reducer links to each other with the drive sprocket of feeding motor with the sprocket wheel link chain mechanism respectively with output shaft, and two driven sprockets of sprocket wheel link chain mechanism are loaded on the end of two feed spools respectively.

8. as the complete equipment that produces of the arbitrary described biomass granule fuel of claim 5 to 7, 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 the orifice plate.

9. biomass granule fuel as claimed in claim 5 produces complete equipment, it is characterized in that described air dryer is the drum-type air dryer, comprise base, be fixed in the reducing motor on the base, cylinder, connect reducing motor and cylinder drive, transmission mechanism comprises two rolling rings that are fixedly arranged on the cylinder outer wall, bearing support by separately and bearing are fixedly arranged on two groups of support rollers on the 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 links to each other with an output shaft of reducing motor by kinematic link separately, and 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, in sealing, be installed with vapor pipe, be provided with induced draft fan in the vapor pipe.

10. biomass granule fuel as claimed in claim 5 produces complete equipment, it is characterized in that above the charging groove of modified aging machine, also being provided with collecting bin, biomass crusher is connected with modified aging machine with collecting bin by carrier pipe, and tornado dust collector link to each other with collecting bin by pipeline.