CN110194980A - The production technology of pure utilizing bamboo biomass fuel particle - Google Patents
The production technology of pure utilizing bamboo biomass fuel particle Download PDFInfo
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- CN110194980A CN110194980A CN201910473836.6A CN201910473836A CN110194980A CN 110194980 A CN110194980 A CN 110194980A CN 201910473836 A CN201910473836 A CN 201910473836A CN 110194980 A CN110194980 A CN 110194980A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0404—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
- F26B11/0413—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried the subdivision consisting of concentric walls, e.g. multi-pass or recirculation systems; the subdivision consisting of spiral-shaped walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
- F26B11/0481—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements having a screw- or auger-like shape, or form screw- or auger-like channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention belongs to fuel technology field more particularly to the production technologies of pure utilizing bamboo biomass fuel particle.It solves the prior art and designs the technical problems such as unreasonable.The production technology of this pure utilizing bamboo biomass fuel particle includes the following steps: S1, preparatory processing；S2, it stacks for the first time；S3, crushing and screening；S4, raw material stoving；S5, it stacks for second；S6, granulation.The invention has the advantages that: it produces more safety and can be adapted for pure bamboo production and processing.
Description
Technical field
The invention belongs to fuel technology field more particularly to the production technologies of pure utilizing bamboo biomass fuel particle.
Background technique
In 2003, the states such as America and Europe had Wooden Biomass fuel particle (hereinafter referred to as wood substance grain) to form production
Industry has equipment and the factory of wood substance grain.
It generally uses wood materials for raw material to existing Wooden Biomass fuel particle, then by crushing, stacking, dry
Dry and granulation etc. process realizes particle manufacture.In wood substance grain raw material, its drying uses traditional dryer to be dried, and
Its biomass fuel pellet raw material stoving for being obviously not applied for pure bamboo of this technique, because, due in dryer container
Temperature is excessively high, and pure bamboo is easy to produce Mars and carbonization coking during the drying process, seriously affects the safety of production,
Secondary, drying efficiency is lower and drying uniformity or poor；
Secondly, existing Wooden Biomass fuel particle production technology its can not be suitable for pure utilizing bamboo biomass fuel particle
Manufacture.
Therefore, it is badly in need of developing a kind of technique that can solve above-mentioned technical problem.
Summary of the invention
Regarding the issue above, the present invention provides a kind of produce more safety and can be adapted for pure bamboo
The production technology of the pure utilizing bamboo biomass fuel particle of production and processing.
In order to achieve the above objectives, present invention employs following technical proposals:
The production technology of this pure utilizing bamboo biomass fuel particle includes the following steps:
S1, preparatory processing take 100% pure bamboo to shred raw material as raw material, and the pure bamboo after chopping are cut
Particle is tentatively crushed, and is made preliminary and is crushed particle；
S2, it stacks for the first time, the preliminary crushing particle heap in step S 1 is in heaps, and the preliminary crushing particle of stacking is aqueous
Rate is controlled in 30-50%, and carries out turning at least once for preliminary crushing particle of the period to stacking with 5-9 days, Zhi Daodui
The preliminary crushing particle put is grabbed with hand has pinched soft sense, then being considered as preliminary crushing particle stacking terminates, and stacking is made and crushes particle；
S3, crushing and screening, crush particle for the stacking in step S2 and are crushed again, crush obtained length again and are less than
The short crushing particle of 12mm, and crushing and screening uses sieve pore for the pulverizer of 12mm, and screening is made and crushes particle；
S4, raw material stoving crush particle to the screening in step S3 using dryer and dry, and dryer includes rolling
Cylinder, roller one end are feed inlet, and the other end of roller is discharge port, are equipped in roller from the interior three road spiral shells set gradually outward
Revolve the rotary orientation of drying tunnel and its rotary orientation of spiral drying tunnel and remaining two-way spiral drying tunnel placed in the middle in three tunnel spiral drying tunnels
On the contrary, roller rotation, which forces screening to crush particle, enters to spiral drying tunnel placed in the middle from innermost spiral drying tunnel, then from placed in the middle
Spiral drying tunnel enter to outermost spiral drying tunnel, forced using negative pressure the screening being oven-dried crush particle dried from three tunnel spirals
It is sucked away from road and is discharged from discharge port, dries pulverizing particle is made；
S5, it stacks for second, by the dries pulverizing particle stacking in heaps in step S4, until the dries pulverizing particle of stacking
It is grabbed and is pinched with feel without tingling sensation with hand, being then considered as the stacking of dries pulverizing particle terminates；
Second of stacking dries pulverizing particle in step S5 is input in granulator by S6, granulation, granulator manufacture
Pure utilizing bamboo biomass fuel particle is successively cooled down and is screened, that is, finally screens to obtain pure utilizing bamboo biomass fuel particle conjunction
Lattice finished product.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, in above-mentioned S4 step, the roller
Including being in horizontally disposed outer cylinder, the intermediate cylinder in outer cylinder is inserted in, and insert in the inner cylinder in intermediate cylinder, the inner wall of outer cylinder is in
Between the outer wall of cylinder connected by several supporting points one, the outer wall of the inner wall of intermediate cylinder and inner cylinder by the connection of several supporting points two,
It is respectively equipped with spiral turnover panel in the inner wall of the inner wall of outer cylinder, the inner wall of intermediate cylinder and inner cylinder, the spiral of intermediate cylinder inner wall is set
Its rotary orientation of turnover panel and its rotary orientation of the spiral turnover panel of outer tube inner wall is set on the contrary, and being arranged in intermediate cylinder inner wall
Its rotary orientation of spiral turnover panel and its rotary orientation of the spiral turnover panel of inner cylinder inner wall is set on the contrary, one end in outer cylinder is connected with
Necking is fed, 100-140 DEG C of feed heating device is equipped in charging necking, blanking is equipped on the upside of the side of charging necking
Mouthful, it is connected with discharging necking in the other end of outer cylinder, is equipped with air inducing blower in discharging necking.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the inner cylinder is shorter in length than the length of intermediate cylinder
Degree, the length for being shorter in length than outer cylinder of intermediate cylinder, the discharge end of inner cylinder are located on the inside of the feed end of intermediate cylinder, the discharging of intermediate cylinder
End is located on the inside of the feed end of outer cylinder.The supporting point one is a word support rod and a word support rod both ends are connected to outer cylinder
The outer wall of inner wall and intermediate cylinder, the supporting point two is a word support rod and a word support rod both ends are connected between the interior of cylinder
The outer wall of wall and inner cylinder.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, on the spiral turnover panel external spiral side respectively
Equipped with several evenly spaced V-notch.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the inner cylinder axial line and intermediate cylinder axle center
Line is overlapped, and the axial line of intermediate cylinder axial line and outer cylinder is overlapped, and feeds the axial line, inner cylinder axial line and discharging necking axis of necking
Heart line connects to form axial line always.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the charging necking includes and outer cylinder one end
The charging great circle canister portion of connection, the intermediate annular plate that circumferential side is connect with charging great circle canister portion far from outer cylinder one end, Yi Jilian
The small cylindrical portion of charging in intermediate annular plate inner side edge is connect, the internal diameter for feeding small cylindrical portion is greater than the internal diameter and charging roundlet of inner cylinder
The internal diameter of canister portion is less than the internal diameter of intermediate cylinder, and there are spacing with intermediate annular plate close to one end end face of charging necking for intermediate cylinder
One, there are spacing two with intermediate annular plate close to one end end face of charging necking for inner cylinder.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the one of the close charging necking of the intermediate cylinder
Hold end face and inner cylinder close to one end end face of charging necking；Or inner cylinder is located at centre close to one end end face of charging necking
Cylinder is on the inside of one end end face of charging necking.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the discharging necking includes another with outer cylinder
The taper discharge barrel for holding connection, is connected to the discharging circular cylinder of the small inner-diameter end of taper discharge barrel, the internal diameter for the circular cylinder that discharges is less than
The internal diameter of inner cylinder, air inducing blower are connected to the discharging one end of circular cylinder far from taper discharge barrel and in taper discharge barrels and air inducing wind
The junction of machine is equipped with the guide cover to raise upward.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, the spiral turnover panel that outer tube inner wall is arranged in is unilateral
Width be slightly less than between outer cylinder and intermediate cylinder there are spacing, the spiral turnover panel One-sided Widths that intermediate cylinder inner wall is arranged in are slightly less than
Between intermediate cylinder and inner cylinder there are spacing.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, in above-mentioned S1 step, the raw material
Any one in residue after being processed for atom thick bamboo tube, bamboo pine branch material and bamboo or a variety of mixing；
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, in above-mentioned S6 step, the granulation
Machine is the vertical granulator of U.S. CPM, and in the initial stage of granulation, current of electric is controlled in 190A-210A the vertical granulator of CPM,
After intracavitary vapor of pelletizing occurs, current of electric is gradually turned up, and current of electric maximum current is less than or equal to 350A.
In the production technology of above-mentioned pure utilizing bamboo biomass fuel particle, clinker discharge is also connected in discharging necking
Pipe.
Compared with prior art, the advantages of production technology of this pure utilizing bamboo biomass fuel particle, is:
Three spiral drying tunnels form S-shaped and dry route, can sufficiently stir screening crushing particle and break up drying, together
When, it forces the screening being oven-dried in three spiral drying tunnels to crush particle under the action of negative pressure and is sucked away from, in this process, this
Which obviate powders to generate Mars and carbonization coking (because powder can be sucked away from rapidly by negative pressure) for this drying of embodiment,
Secondly, screening can be forced to crush particle and sufficiently stirred and dried rapidly, production effect not only can be improved by spiral drying tunnel
Rate, but also the operation energy consumption of equipment can be reduced, it is truly realized energy conservation and environmental protection, and the purpose of safety in production.
Detailed description of the invention
Fig. 1 is process flow diagram provided by the invention.
Fig. 2 is spiral reverse turning bed structure schematic diagram provided by the invention.
Fig. 3 is drying machine structure schematic diagram provided by the invention.
In figure, outer cylinder 1, intermediate cylinder 2, inner cylinder 3, supporting point 1, supporting point 25, spiral turnover panel 6, V-notch
61, necking 7, feed opening 70, charging great circle canister portion 71, intermediate annular plate 72, the small cylindrical portion 73 of charging, discharging contracting are fed
Mouth 8, clinker discharge pipe 80, taper discharge barrel 81, discharging circular cylinder 82, guide cover 83, air inducing blower 9.
Specific embodiment
Below be invention specific embodiment and in conjunction with attached drawing, technical scheme of the present invention will be further described, but
Invention is not limited to these embodiments.
Embodiment one
As shown in figures 1 and 3, the production technology of this pure utilizing bamboo biomass fuel particle includes the following steps:
S1, preparatory processing take 100% pure bamboo to shred raw material as raw material, and the pure bamboo after chopping are cut
Particle is tentatively crushed, and is made preliminary and is crushed particle；
Raw material be in the residue after atom thick bamboo tube, bamboo pine branch material and bamboo processing any one or it is a variety of mixed
It closes.It is 100% bamboo that is, having any that must affirm regardless of raw material form.
The bamboo particle of the present embodiment is different from wood materials (or other biological material, even sticky chemicals
Matter) particle that is mixed with bamboo, the present embodiment is without any additive, energy conservation and environmental protection.
Secondly, raw material first shreds in shredding machine, bamboo chip length is tentatively crushed in 5cm or so, then in pulverizer, tentatively
The raw material length of crushing is in 12mm or more.
S2, it stacks for the first time, the preliminary crushing particle heap in step S1 is in heaps, the preliminary crushing particle moisture content of stacking
Control carries out turning at least once for preliminary crushing particle of the period to stacking in 30-50%, and with 5-9 days, until stacking
Preliminary crushing particle grabbed with hand and pinched soft sense, then be considered as it is preliminary crush particle stacking and terminate, be made to stack and crush particle；
In this step, moisture control, when tentatively crushing particle moisture content is low, will spray water to improve it and contain 40%
Water rate.
Secondly, turning number can be increased when higher if it is summer temperature, for example, being a period to stacking with 5-9 days
Preliminary crushing particle carry out turning 2-4 times.
S3, crushing and screening, crush particle for the stacking in step S2 and are crushed again, crush obtained length again and are less than
The short crushing particle of 12mm, and crushing and screening uses sieve pore for the pulverizer of 12mm, and screening is made and crushes particle；
Prioritization scheme, the manufacture that crushes again in the present embodiment obtains the short crushing particle of 5-7mm, in order to subsequent powder
Broken screening.
S4, raw material stoving crush particle to the screening in step S3 using dryer and dry, and dryer includes rolling
Cylinder, roller one end are feed inlet, and the other end of roller is discharge port, are equipped in roller from the interior three road spiral shells set gradually outward
Revolve the rotary orientation of drying tunnel and its rotary orientation of spiral drying tunnel and remaining two-way spiral drying tunnel placed in the middle in three tunnel spiral drying tunnels
On the contrary, roller rotation, which forces screening to crush particle, enters to spiral drying tunnel placed in the middle from innermost spiral drying tunnel, then from placed in the middle
Spiral drying tunnel enter to outermost spiral drying tunnel, forced using negative pressure the screening being oven-dried crush particle dried from three tunnel spirals
It is sucked away from road and is discharged from discharge port, dries pulverizing particle is made；
Negative pressure is negative pressure gas source, and screening crushes particle and enters in innermost spiral drying tunnel, with continuous rotation
Screening crush particle constantly stirred in innermost spiral drying tunnel and to the discharge port side of roller flow, screening crush particle from
Innermost spiral drying tunnel enters in spiral drying tunnel placed in the middle, due to its hand of spiral on the contrary, can then force screening crushing broken
Material returns to the feed inlet side of roller, finally enters back into outermost spiral drying tunnel, that is, three spiral drying tunnels form S-shaped and dry
Screening sufficiently can be crushed particle and stir and break up drying by main line, meanwhile, three spiral drying tunnels are forced under the action of negative pressure
In the screening that has been oven-dried crush particle and be sucked away from, in this process, which obviate powders for this drying of the present embodiment
Mars and carbonization coking (because powder can be sucked away from rapidly by negative pressure) are generated, secondly, screening can be forced by spiral drying tunnel
It crushes particle sufficiently to be stirred and dried rapidly, production efficiency not only can be improved, but also the operation energy of equipment can be reduced
Consumption is truly realized energy conservation and environmental protection, and the purpose of safety in production.
Roller is connect by belt drive structure or gear transmission structure with driving motor.
S5, it stacks for second, by the dries pulverizing particle stacking in heaps in step S4, until the dries pulverizing particle of stacking
It is grabbed and is pinched with feel without tingling sensation with hand, being then considered as the stacking of dries pulverizing particle terminates；
Second of stacking dries pulverizing particle in step S5 is input in granulator by S6, granulation, granulator manufacture
Pure utilizing bamboo biomass fuel particle is successively cooled down and is screened, that is, finally screens to obtain pure utilizing bamboo biomass fuel particle conjunction
Lattice finished product.
Roller rotates clockwise.
As shown in Figures 2 and 3,
In above-mentioned S4 step, the roller includes inserting in the intermediate cylinder in outer cylinder 1 in horizontally disposed outer cylinder 1
2, and the inner cylinder 3 in intermediate cylinder 2 is inserted in, the inner wall of outer cylinder 1 and the outer wall of intermediate cylinder 2 are connected by several supporting points 1, in
Between the inner wall of cylinder 2 and the outer wall of inner cylinder 3 connected by several supporting points 25, in the inner wall of outer cylinder 1, the inner wall of intermediate cylinder 2 and interior
The inner wall of cylinder 3 is respectively equipped with spiral turnover panel 6, its rotary orientation of the spiral turnover panel 6 of 2 inner wall of intermediate cylinder is arranged in and is arranged in outer cylinder
Its rotary orientation of the spiral turnover panel 6 of 1 inner wall is on the contrary, and being arranged in its rotary orientation of the spiral turnover panel 6 of 2 inner wall of intermediate cylinder and setting
It sets in its rotary orientation of the spiral turnover panel 6 of 3 inner wall of inner cylinder on the contrary, charging necking 7 is connected in one end of outer cylinder 1, in charging contracting
It is equipped with feed opening 70 on the upside of the side of mouth 7, is connected with discharging necking 8 in the other end of outer cylinder 1, is connected in discharging necking 8
Air inducing blower 9.
The inner cylinder 3 is shorter in length than the length of intermediate cylinder 2, the length for being shorter in length than outer cylinder 1 of intermediate cylinder 2, inner cylinder
Discharge end is located on the inside of the feed end of intermediate cylinder, and the discharge end of intermediate cylinder is located on the inside of the feed end of outer cylinder.This design, can be with
Broken particle is accepted in time.
Secondly, being respectively equipped with several evenly spaced V-notch 61 on spiral turnover panel external spiral side.It is, of course, also possible to
It is the notch of U-shaped breach and various other shapes, the particle that this notch design for can be oven-dried is sucked away from time.Because of V-arrangement
Notch 61 can form gap with 1 inner wall of outer cylinder, similarly, also can form gap with intermediate cylinder 2 and inner cylinder 3.
The supporting point 1 is the inner wall and intermediate cylinder 2 that a word support rod and a word support rod both ends are connected to outer cylinder 1
Outer wall, the supporting point 25 is the inner wall and inner cylinder 3 that a word support rod and a word support rod both ends are connected between cylinder 2
Outer wall.
100-140 DEG C of feed heating device is equipped in charging necking.Feed heating device is electric heater unit, and into
Expect heating device structure annular in shape and be located at the right side of feed opening 70, it is also possible to the waste heat that will be discharged in pelletization
(40 DEG C or so) are introduced to charging necking, and 3 axial line of inner cylinder and 2 axial line of intermediate cylinder are overlapped, 2 axial line of intermediate cylinder and
The axial line of outer cylinder 1 is overlapped, and feeds the axial line of necking 7,3 axial line of inner cylinder connects to be formed always with discharging 8 axial line of necking
Axial line.
Secondly, being also connected with clinker discharge pipe 80 in discharging necking.In order to the bulk bamboo wood that will not be screened or
Stone is discharged from.
Specifically, charging necking 7 includes the charging great circle canister portion 71 connecting with 1 one end of outer cylinder, and circumferential side and charging are big
The intermediate annular plate 72 that cylindrical portion 71 is connected far from 1 one end of outer cylinder, and be connected between 72 inner side edge of annular slab charging it is small
Cylindrical portion 73, the internal diameter for feeding small cylindrical portion 73 is greater than the internal diameter of inner cylinder 3 and the internal diameter of the small cylindrical portion 73 of charging is less than intermediate cylinder 2
Internal diameter, intermediate cylinder 2 is close to one end end face of charging necking 7 and intermediate annular plate 72 there are spacing one, and inner cylinder 3 is close to charging contracting
There are spacing two with intermediate annular plate 72 for one end end face of mouth 7.
The intermediate cylinder 2 is neat close to one end end face of charging necking 7 close to one end end face of charging necking 7 and inner cylinder 3
It is flat；Or inner cylinder 3 is located at intermediate cylinder 2 on the inside of one end end face of charging necking 7 close to one end end face of charging necking 7.
The discharging necking 8 includes the taper discharge barrel 81 connecting with 1 other end of outer cylinder, is connected to taper discharge barrel 81
The internal diameter of the discharging circular cylinder 82 of small inner-diameter end, discharging circular cylinder 82 is less than the internal diameter of inner cylinder 3, and air inducing blower 9 is connected to discharging
The one end of circular cylinder 82 far from taper discharge barrel 81 and the junction of taper discharge barrel 81 and air inducing blower 9 be equipped with raise upward
Guide cover 83.
The outlet temperature of discharging necking 8 is 40 DEG C or so.
Be arranged in 1 inner wall of outer cylinder 6 One-sided Widths of spiral turnover panel be slightly less than between outer cylinder 1 and intermediate cylinder 2 there are spacing,
Be arranged in 2 inner wall of intermediate cylinder 6 One-sided Widths of spiral turnover panel be slightly less than between intermediate cylinder 2 and inner cylinder 3 there are spacing.
In above-mentioned S6 step, the granulator is the vertical granulator of U.S. CPM, that is, the vertical granulator of 200kw.
Secondly, granulator internal structure adjusts, the gap of nip roll and ring moulds is 2.5-3.5 millimeters, and the vertical granulator of CPM exists
The initial stage of granulation, current of electric control is in 190A-210A, and after intracavitary vapor of pelletizing occurs, current of electric is gradually adjusted
Height, current of electric maximum current is less than or equal to 350A, while also increasing inlet valve, accelerates charging rate.Granulation amount, control
At 2~2.5 tons per hour.
Electric current and inlet valve are adjusted, the density and moisture content of particle, and granulation speed (yield) are controlled.
Secondly, in above-mentioned S6 step, the particle come out from granulator, temperature, be into 80~100 degrees centigrades
Row natural cooling, such as, it is natural air cooled or mechanical air-cooled.Particle after cooling, then screened, short, broken particle, no
Close specification, it is necessary to remove.It is finally packed and is stored.
According to customer requirement, packed.
Usually jumbo bag is packed, one cubic meter of volume, weight ... kilogram.Packaging bag waterproof, packaging bag Sizes,
It is readily transported, 30 tons of every trucies of peak load.
Storage
After granule packaging, storage is waited to be transported.Storage 1 year, moisture content will not increase.
Production line through this embodiment, with the mechanism grain speed measuring and calculating that makes pellet, out 2 tons of particle or more per hour, and
It is to continuously run 10 hours or more.
Meanwhile using the production line of the present embodiment, the requirement of setting can achieve after detection；Bamboo particle SGS detection report
It accuses as follows:
This examining report is provided by SGS according to its " service general clause ".
Embodiment two
The discharge end of intermediate cylinder is located on the outside of the feed end of outer cylinder.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. the production technology of pure utilizing bamboo biomass fuel particle, which is characterized in that this technique includes the following steps:
S1, preparatory processing take 100% pure bamboo to shred raw material as raw material, and the pure bamboo after chopping are shredded material
It is tentatively crushed, is made preliminary and crushes particle；
S2, it stacks for the first time, the preliminary crushing particle heap in step S1 is in heaps, the preliminary crushing particle moisture control of stacking
Turning is carried out at least once for preliminary crushing particle of the period to stacking in 30-50%, and with 5-9 days, at the beginning of stacking
Step crushing particle is grabbed with hand has pinched soft sense, then being considered as preliminary crushing particle stacking terminates, and stacking is made and crushes particle；
S3, crushing and screening, crush particle for the stacking in step S2 and are crushed again, crush length is made less than 12mm again
Short crushing particle, be made screening crush particle；
S4, raw material stoving crush particle to the screening in step S3 using dryer and dry, and dryer includes roller,
Roller one end is feed inlet, and the other end of roller is discharge port, is equipped in roller from the interior three tunnel spirals set gradually outward
The rotary orientation phase of its rotary orientation of spiral drying tunnel and remaining two-way spiral drying tunnel placed in the middle in drying tunnel and three tunnel spiral drying tunnels
Instead, roller rotation forces screening to crush particle and enters to spiral drying tunnel placed in the middle from innermost spiral drying tunnel, then from placed in the middle
Spiral drying tunnel enters to outermost spiral drying tunnel, and the screening being oven-dried is forced to crush particle from three tunnel spiral drying tunnels using negative pressure
In be sucked away from and from discharge port be discharged, be made dries pulverizing particle；
S5, it stacks for second, by the dries pulverizing particle stacking in heaps in step S4, until the dries pulverizing particle hand of stacking
It grabs and pinches with feel without tingling sensation, being then considered as the stacking of dries pulverizing particle terminates；
Second of stacking dries pulverizing particle in step S5 is input in granulator by S6, granulation, the pure bamboo of granulator manufacture
Sub- biomass fuel pellet is successively cooled down and is screened, that is, finally screen to obtain pure utilizing bamboo biomass fuel particle qualification at
Product.
2. the production technology of pure utilizing bamboo biomass fuel particle according to claim 1, which is characterized in that in above-mentioned S4
In step, the roller includes inserting in the intermediate cylinder in outer cylinder, and insert in interior in intermediate cylinder in horizontally disposed outer cylinder
Cylinder, the inner wall of outer cylinder and the outer wall of intermediate cylinder are connected by several supporting points one, and the inner wall of intermediate cylinder and the outer wall of inner cylinder pass through
Several supporting points two connect, and are respectively equipped with spiral turnover panel in the inner wall of the inner wall of outer cylinder, the inner wall of intermediate cylinder and inner cylinder, setting exists
Its rotary orientation of the spiral turnover panel of intermediate cylinder inner wall and its rotary orientation of the spiral turnover panel of outer tube inner wall is set on the contrary, and setting
It sets in its rotary orientation of the spiral turnover panel of intermediate cylinder inner wall and the spiral turnover panel of inner cylinder inner wall its rotary orientation is set on the contrary, interior
Cylinder is shorter in length than the length of intermediate cylinder, the length for being shorter in length than outer cylinder of intermediate cylinder, the discharge end of inner cylinder be located at intermediate cylinder into
Expect on the inside of end, the discharge end of intermediate cylinder is located on the inside of the feed end of outer cylinder；Or the discharge end of intermediate cylinder is located at the charging of outer cylinder
End outside.
3. the production technology of pure utilizing bamboo biomass fuel particle according to claim 2, which is characterized in that the spiral
Several evenly spaced V-notch are respectively equipped on turnover panel external spiral side.
4. the production technology of pure utilizing bamboo biomass fuel particle according to claim 2 or 3, which is characterized in that described
One end of outer cylinder is connected with charging necking, and feed opening is equipped on the upside of the side of charging necking, is connected in the other end of outer cylinder
Discharge necking, is connected with air inducing blower in discharging necking, and 100-140 DEG C of feed heating device is equipped in charging necking,
The inner cylinder axial line and intermediate cylinder axial line are overlapped, and the axial line of intermediate cylinder axial line and outer cylinder is overlapped, and feed necking
Axial line, inner cylinder axial line connect to form axial line always with discharging necking axial line.
5. the production technology of pure utilizing bamboo biomass fuel particle according to claim 4, which is characterized in that the charging
Necking includes the charging great circle canister portion connecting with outer cylinder one end, and circumferential side is connect with charging great circle canister portion far from outer cylinder one end
Intermediate annular plate, and it is connected between the small cylindrical portion of charging of annular slab inner side edge, the internal diameter of small cylindrical portion is fed greater than interior
The internal diameter of cylinder and the internal diameter of the small cylindrical portion of charging are less than the internal diameter of intermediate cylinder, and intermediate cylinder is close to one end end face of charging necking in
Between annular slab there are spacing one, there are spacing two with intermediate annular plate close to one end end face of charging necking for inner cylinder.
6. the production technology of pure utilizing bamboo biomass fuel particle according to claim 5, which is characterized in that the centre
Cylinder is close to one end end face of charging necking and inner cylinder close to one end end face for feeding necking；Or inner cylinder is close to charging necking
One end end face be located at intermediate cylinder close to charging necking one end end face on the inside of.
7. the production technology of pure utilizing bamboo biomass fuel particle according to claim 4, which is characterized in that the discharging
Necking includes the taper discharge barrel connecting with the outer cylinder other end, is connected to the discharging circular cylinder of the small inner-diameter end of taper discharge barrel, out
Expect circular cylinder internal diameter be less than inner cylinder internal diameter, air inducing blower be connected to discharging the one end of circular cylinder far from taper discharge barrel and
The junction of taper discharge barrel and air inducing blower is equipped with the guide cover to raise upward.
8. the production technology of pure utilizing bamboo biomass fuel particle according to claim 2, which is characterized in that be arranged in outer cylinder
The spiral turnover panel One-sided Widths of inner wall be slightly less than between outer cylinder and intermediate cylinder there are spacing, the spiral of intermediate cylinder inner wall is set
Turnover panel One-sided Widths be slightly less than between intermediate cylinder and inner cylinder there are spacing.
9. the production technology of pure utilizing bamboo biomass fuel particle according to claim 4, which is characterized in that the discharging
Clinker discharge pipe is also connected in necking；In above-mentioned S6 step, the granulator is the vertical granulator of U.S. CPM, CPM
Vertical granulator is in the initial stage of granulation, and current of electric control is in 190A-210 A, after intracavitary vapor of pelletizing occurs, electricity
Electromechanics stream is gradually turned up, and current of electric maximum current is less than or equal to 350A.
10. the dryer of pure utilizing bamboo biomass fuel particle, which is characterized in that including roller, roller one end is feed inlet, roller
The other end be discharge port, in roller be equipped with from the interior three tunnel spiral drying tunnels set gradually outward and three tunnel spiral drying tunnels
The rotary orientation of its rotary orientation of spiral drying tunnel placed in the middle and remaining two-way spiral drying tunnel is on the contrary, roller rotation forces screening to crush
Particle enters to spiral drying tunnel placed in the middle from innermost spiral drying tunnel, then enters to outermost spiral shell from spiral drying tunnel placed in the middle
Drying tunnel is revolved, forces the screening being oven-dried to crush particle using negative pressure and is sucked away from and is discharged from discharge port, three from three tunnel spiral drying tunnels
Road spiral drying tunnel forms S-shaped and dries route.
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| CN110564475A (en) * | 2019-09-20 | 2019-12-13 | 湖北省种子集团有限公司 | Processing method of biomass solid forming fuel |
| CN113337324A (en) * | 2021-05-31 | 2021-09-03 | 徐州永路生物质能源有限公司 | Biomass energy raw material processing technology |
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