CN110437860A - A kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type - Google Patents
A kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type Download PDFInfo
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- CN110437860A CN110437860A CN201910776622.6A CN201910776622A CN110437860A CN 110437860 A CN110437860 A CN 110437860A CN 201910776622 A CN201910776622 A CN 201910776622A CN 110437860 A CN110437860 A CN 110437860A
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- inner cylinder
- charing
- biomass
- feed bin
- furnace body
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- 239000002028 Biomass Substances 0.000 title claims abstract description 113
- 239000000463 material Substances 0.000 claims abstract description 105
- 239000003610 charcoal Substances 0.000 claims abstract description 38
- 238000003763 carbonization Methods 0.000 claims abstract description 30
- 238000000197 pyrolysis Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 230000011218 segmentation Effects 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 20
- 239000002737 fuel gas Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 21
- 239000000567 combustion gas Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- 235000021419 vinegar Nutrition 0.000 description 3
- 239000000052 vinegar Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002036 drum drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000011276 wood tar Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type of the invention, including carbonizing furnace body, to the charging gear and charcoal discharge end of retort bulk transport charing material, the charing furnace body is longitudinally in bilayer or multilayer arrangement, the charing furnace body of each layer includes the inner barrel and outer barrel being coaxially arranged, the inner cylinder rotating and biomass carbonated material to be passed through in inner cylinder provide the reaction kettle of isolation air, the outer cylinder is set in outside inner cylinder, and its between inner cylinder reserve high temperature channel, high temperature channel circulation high-temperature gas, charing external heat source is provided for the biomass carbonated material pyrolysis in inner cylinder；Shaftless spiral blade is set in the inner cylinder conveying and stirring biomass carbonated material and uniformly carbonize, high temperature channel is passed through high-temperature gas and carries out high temperature carbonization to the biomass material that inner cylinder conveys；The outer cylinder for carbonizing the furnace body bottom is connected to burner, and burner provides high-temperature gas for high temperature channel, and the exit end for carbonizing the inner cylinder of the furnace body bottom is charcoal discharge end.
Description
Technical field
The invention belongs to renewable energy technologies to utilize field, and in particular to a kind of bilayer horizontal revolving cartridge type is continuously biological
Matter carbonization system.
Background technique
In recent years, the coal quality charcoal for the productions such as charcoal amount needed for human being's production, life increasingly increases, and traditional handicraft such as kiln is burnt
It is small with charcoal amount, and a large amount of CO is given off in production process2Isothermal chamber gas causes greatly to adversely affect to environment.With
Existing brickkiln, movable carbonization furnace are compared, the charcoal yield highest of external-heat dry distillation carbonizing furnace, ash content ratio is low, charcoal at
Quality is uniform, and charcoal color is uniform, and section is glossy, and charcoal calorific value is high, pollution condition is smaller, and byproduct can be recycled sufficiently,
Therefore it is widely used.Biomass energy is a kind of reproducible clean energy resource, from a wealth of sources, and nitrogen, sulfur content are low, is passed through
After a series of exhaust gas processing device, it can accomplish near-zero release.
Chinese patent application CN109337696A discloses " rotary carbonizing furnace ", by coaxial interior converter and outer converter group
At, form certain charing space among two furnace tubes, and in the axial setting fin of outer tube inner wall, to material be stirred with it is defeated
It send.But this kind of retort arrangement form occupied area is larger, and the screw conveyor shaft of inner cylinder occupies partial material space, causes
Degree of filling is lower, has limitation to a certain extent for charing power output.
Chinese patent application CN106010585B discloses " carbonization integral furnace is dried in environment protection type rotary formula multilayer destructive distillation ",
Comprising cylinder in rotation outer cylinder, rotation and rotation inner cylinder, by baking zone, pre- charring layer and charring layer integral arrangement, to a certain degree
On solve the problems such as single furnace body arrangement bring takes up a large area.However, this kind design structure in the stove is complicated, it is not easy to examine
Phenomena such as repairing, and detent easily occurs between different rotary furnace body and puts up a bridge, high failure rate.In addition, by barrel dliameter size and concentricity
It influences, processing technology is complicated, and yield is only preferably excessive.
Chinese invention patent CN103614151B discloses a kind of Horizontal-type continuous biochar carbonization device, the charging spiral shell of use
It revolves conveyer and realizes continuous feed, the production of screw conveyor continuously carbonizing, while screw conveyor provides power by speed regulating motor,
Adjustable charing rate, solving current charcoal batch, to produce charcoal quality different, it is difficult to which the problem of controlling improves biology
The quality of charcoal.The external-heat charcoal production method of the combustible gas combustion heating of use uses diesel combustion heat supply when starting, just
Diesel fuel burner often is closed after operation, the combustible gas that charing is generated is through condensation cleaning after-combustion, the high-temperature flue gas for generation of burning
It is heated to carbonization chamber, is different from internal heat type production consumption biomass energy, improves charcoal output capacity.In addition, horizontal continuous biology
Carbonization device is recycled combustible gas, reduces the output of byproduct, reduces production energy consumption.
Summary of the invention
It is a primary object of the present invention to overcome the shortcomings of existing biomass carbonizing furnace technology, providing one kind can be sufficiently sharp
With space and energy continuous-feeding discharging, the environment-friendly biomass carbonization device system of biomass carbon quality and combustion gas quality is effectively improved
System.
To achieve the above object, the continuous biomass carbonated system of a kind of bilayer or multilayer horizontal revolving cartridge type of the invention,
The charging gear and charcoal discharge end of material are carbonized including charing furnace body, to retort bulk transport, the charing furnace body is vertical
Arrange that the charing furnace body of each layer includes the inner barrel and outer barrel being coaxially arranged, and the inner cylinder rotating is simultaneously in bilayer or multilayer
Be passed through biomass carbonated material in inner cylinder and the reaction kettle of isolation air be provided, the outer cylinder is set in outside inner cylinder, and its with
High temperature channel is reserved between inner cylinder, high temperature channel circulation high-temperature gas provides charcoal for the biomass carbonated material pyrolysis in inner cylinder
Outside the pale of civilization heat source；Shaftless spiral blade is set in the inner cylinder conveying and stirring biomass carbonated material and uniformly carbonize, high temperature channel is logical
Enter high-temperature gas and high temperature carbonization is carried out to the biomass material that inner cylinder conveys；
The outer cylinder of the charing furnace body bottom is connected to burner, and burner provides high-temperature gas for high temperature channel, institute
The exit end for stating the inner cylinder of the charing furnace body bottom is charcoal discharge end.
Further, inner cylinder of the charing furnace body on short transverse rebuilding, adjacent layer short transverse passes through blanking
Pipe connection, the inner cylinder that material is sent to same layer is entered charing stroke by lower spiral inner wall extended segment by feeder pipe lower end；It is adjacent
Outer cylinder connection circulation high-temperature gas on layer height direction.
Further, the charing furnace body is in S along short transverse multi-tier arrangement, the biomass carbonated material stroke of inner cylinder
Shape downlink, and the stroke of high temperature channel flue gas is in S row uplink, the inner cylinder in adjacent layer short transverse is connected by feeder pipe, under
Expects pipe lower end carries out charing stroke by the inner cylinder that lower spiral inner wall extension segment material is sent to same layer；Adjacent layer short transverse
On outer cylinder connection circulation high-temperature gas.
Further, the inner wall of the inner cylinder welds Shaftless spiral blade, and the Shaftless spiral blade is long screw pitch, multi-disc
Arrangement form；
Or, the Shaftless spiral blade, which is welded with, raises fan plate, raises the mixed extension heat-transfer surface that is incorporated as of fan plate strength imparting material and reinforce
Heat exchange；
Or, the fan plate of raising selects right angle bending to raise fan plate, the axis direction of right angle towards inner cylinder is installed；
Or, described raise the arc-shaped bending of fan plate or tilt angle bending.
Further, it is welded with fin on the outer tube inner wall, to reinforce the heat exchange to inner cylinder；
Or, fin is welded on inner tank theca, ipsilateral equidistant placement；
Or, fin is welded on inner tank theca and outer tube inner wall simultaneously, staggeredly labyrinth type is arranged, flue gas S-shaped trend.
Further, the charging gear selects segmentation feed bin charging, enters segmentation feed bin by shut-off valve Discrete control
It is mixed into reducing inner cylinder air.
Further, the charging gear includes the first segmentation feed bin, biomass material is delivered to the first segmentation feed bin
Bucket elevator, the second segmentation feed bin, by biomass material from the first segmentation feed bin be sent to the first spiral of the second segmentation feed bin to
Glassware, the second screw feeder that the biomass material that second is segmented in feed bin is sent to inner cylinder charing；
Material is sent on the pipeline of the first segmentation feed bin setting the first feed shut-off valve by the bucket elevator, starting the
One feed shut-off valve is for obstructing air into the second segmentation feed bin；The material of first segmentation feed bin and the second segmentation feed bin conveys
The second feed of setting shut-off valve on pipeline, the second segmentation feed bin charging does not influence to carbonize furnace body when starting second is fed shut-off valve
Operation；
The discharge end of first segmentation feed bin is arranged the first screw feeder and biomass material is sent to the second segmentation feed bin, described
The discharge end of second segmentation feed bin is arranged the second screw feeder and material is sent to inner cylinder.
Further, the biomass carbonated material inlet one of inner cylinder is arranged in the fuel gas outlet generated in carbonization process
It holds, the fuel gas generated in carbonization process and material reverse flow, the heat source dried as biomass material and carbonized in advance.
Further, the top outer cylinder of the charing furnace body carries out UTILIZATION OF VESIDUAL HEAT IN in exhanst gas outlet connection waste heat boiler, through remaining
Enter after drying equipment is used as biomass material drying after heat boiler heat exchange and discharges；
Or, the burner selects adiabatic combustion device, it is passed through the fuel gas that charing generates and burns, realizes that the energy follows
Ring utilizes.
Further, charcoal pipe connection setting cooling device out, is selected as water-cooling spiral device or direct-contact desuperheater, to generation
Biomass carbon cooling down after send out.
Compared with prior art, the beneficial effect comprise that
First, carbonization system is arranged using bilayer or multilayer, interior in a limited space can elongate biomass carbonated row
Journey on the basis of the stroke needed for guaranteeing to carbonize guarantees carbonization degree, reduces charing institute's occupied area, is suitable for more biomass
The problems such as carbonizing apparatus, while it is longer to solve existing charing furnace apparatus entire length, takes up a large area, technological transformation difficult arrangement,
And reduce production cost to a certain extent.
Second, two-part charging is selected in charging, by the control of two-stage shut-off valve, reduces mixed air capacity,
There is certain sealing effect, is mixed into air capacity and reduces the destructive distillation hypoxic atmosphere for being conducive to keep retort inner cylinder, be conducive to improve
The calorific value of biomass carbon and the quality of combustion gas.
Third, the present invention in biomass pyrolytic generate combustion gas inversely advance with biomass material, can play to biomass
Drying functions of material, and obtained combustion gas is after biomass material, Dust Capacity and tar content therein have it is apparent under
Drop has higher combustion gas quality and environmental protection characteristic.
4th, the present invention in retort inner cylinder it is rotatable, rotary course can guarantee in biomass material carbonization process be heated
Uniformly, the problems such as being not in hot-spot, and Shaftless spiral blade is used, material is strengthened while guaranteeing conveying capacity
Mixed uniformity.
5th, bending type has been welded in inner tube wall spiral in the present invention and has raised fan plate, and it is raw to inner cylinder can to reinforce outer cylinder flue gas
The heat exchange of substance material, and as extension heating surface more high heat transfer, so that the thermal efficiency is improved, in addition, raising stirring for plate of fan can increase
The stirring of strong storeroom can make pyrolysis more sufficiently and uniform.
6th, smoke gas recirculating technology is introduced in adiabatic combustion device in the present invention, it can be while controlling flue-gas temperature
Reduce the discharge of nitrogen oxides.In addition, being provided with a SNCR interface in the outlet of adiabatic combustion device, can further remove
NOX, meet the ultra-clean emission request of country.
7th, the present invention in introduce waste heat boiler generate recycling heat generate steam so that the waste heat of retort has use
The ground of force is the carbonizing apparatus of environment-friendly and energy-efficient.
Detailed description of the invention
Fig. 1 is charging gear schematic diagram of the present invention.
Fig. 2 is furnace body structural schematic diagram of the present invention.
Fig. 3 is the single layer schematic cross-section of the double-deck furnace body of the present invention.
In attached drawing, the first feed shut-off valve 111；Second feed shut-off valve 112；First segmentation feed bin 121；Second segmentation material
Storehouse 122；First screw feeder 131；Second screw feeder 132；Bucket elevator 14；Shaftless spiral blade 211；In lower
Wall extends spirally section 212；Feeder pipe 27；Outer cylinder 31；Upper outer cylinder 311；Lower outer cylinder 312；High temperature channel 32；Inner cylinder 33；Upper inner cylinder
331；Lower inner cylinder 332；Charcoal pipe 51 out；Burner 6；Raise fan plate 7；Waste heat boiler 8；Rotary drum drying machine 9；Sealing flange 22；First
Retort support 231；Second retort support 232；The sealing 241 of first inner/outer tube and the second inner/outer tube sealing 242, transmission mechanism
25, discharging sealing 26, thermal insulation material 34, expansion joint 4, discharge shut-off valve 52.
Case is embodied
The present invention is further elaborated with reference to the accompanying drawings and examples.
Embodiment 1
In the present embodiment, double-deck horizontal revolving cartridge type continuously biomass carbonated system is selected.
As shown in Figure 1-Figure 3, the continuous biomass carbonated system of a kind of bilayer or multilayer horizontal revolving cartridge type of the invention, makes
With external-heat dry distillation charring method, including charing furnace body, to the charging gear of the biomass carbonated material of retort bulk transport, institute
Stating charing furnace body is longitudinally in rebuilding, and the charing furnace body of each layer includes the inner cylinder 33 and outer cylinder 31 being coaxially arranged, described
Inner cylinder 33 rotates and the biomass carbonated material to be passed through in inner cylinder 33 provides the reaction kettle of isolation air, and the outer cylinder 31 is arranged
High temperature channel 32 is reserved between inner cylinder 33 outside inner cylinder 33, and at it, the circulation high-temperature gas of high temperature channel 32, is in inner cylinder 33
Biomass carbonated material pyrolysis provide charing external heat source.
Discharging one end of charging gear is connected to inner cylinder 33, and is sent into biomass carbonated material to inner cylinder 33.The inner cylinder 33
It inside sets the rotation of Shaftless spiral blade 211 and conveys biomass carbonated material, high temperature channel 32 is passed through high-temperature gas and rotates to inner cylinder 33
The biomass material of conveying carries out pyrolysis charring, generates charcoal, wood tar, wood vinegar, fuel gas.
The outer cylinder 31 for carbonizing the furnace body bottom is connected to burner 6, and burner 6 is that high temperature channel 32 is sent into high-temperature gas,
Charcoal pipe 51 is provided in the exit end for carbonizing the inner cylinder 33 of the furnace body bottom.
During biomass carbonated, the factor for influencing biomass carbonated yield and quality mainly has: biomass material
Type, biomass material moisture content and charing final temperature, charing rate, the shape of pyrolysis oven and be specifically pyrolyzed shape
Formula.
Charing furnace body of the invention selects external-heat dry distillation carbonizing furnace, realizes charcoal yield highest, ash content ratio is low,
Charcoal final product quality is uniform, and charcoal color is uniform, and section is glossy, and charcoal calorific value is high, pollution condition is smaller, and byproduct can be abundant
The advantages that recycling；Horizontal retort has been selected simultaneously, has been suitable for adjusting charing rate, convenient for controlling out charcoal quality.In the present invention, choosing
With bilayer or multilayer arrangement, horizontal retort develops to spatial altitude, can in a limited space in elongate it is biomass carbonated
Stroke, on the basis of the stroke needed for guaranteeing to carbonize guarantees carbonization degree, reduce charing institute's occupied area, be suitable for more raw
Substance carbonizing apparatus.
The continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type of the invention selects the biologies such as wooden, stalk
Matter carbonizes yield highest as biomass carbonated raw material, biomass feed stock for blast furnace partial size≤30mm, moisture content≤10%, gained,
Carbonization quality is best.
Furnace body is carbonized along short transverse rebuilding, each layer of charing furnace body be arranged the first retort support 231,
Second retort support 232, by the support 232 of the first retort the 231, second retort of support by the inner cylinder 33 being arranged and outside
Cylinder 31 is supported, while the sealing 241 of the first inner/outer tube and the second inner/outer tube between each layer of the inner barrel and outer barrel being arranged
Sealing 242, seals the inner barrel and outer barrel that each layer is arranged.
Inner cylinder 33 is driven by transmission mechanism 25, and transmission mechanism selects deceleration variable-frequency motor, and revolving speed is according to biomass material charcoal
Change amount is adjusted.Inner cylinder 33 in adjacent layer short transverse is connected by feeder pipe 27, and 27 lower end of feeder pipe passes through lower inner wall
The Shaftless spiral blade 211 for extending spirally section 212 and same layer cooperates the advance progress of inner cylinder 33 that material is sent to same layer jointly
Stroke is carbonized, in order to effectively control each layer of biomass carbonated material carbonization degree, each layer of inner cylinder 33 is feeder pipe 27
Connecting portion setting discharging sealing 26 is sent to next layer of inner cylinder for controlling the biomass carbonated material of sealing.Adjacent layer height side
Upward outer cylinder 31 connects circulation high-temperature gas by pipeline, and expansion joint 4 is arranged on pipeline.
As shown in figure 3, the Shaftless spiral blade 211 in the present invention is long screw pitch, multi-disc arrangement form, Shaftless spiral blade
Screw pitch arranges quantity 3-5 piece in 1m or so.
Shaftless spiral blade 211 of the invention selects long screw pitch, multiple-blade setting, and long screw pitch can guarantee material conveying speed
Degree, determines the lift angle of biomass carbonated material spiral, so that the slide surface of biomass carbonated material operation is maximum, is carbonizing
Biomass carbonated material in stroke can be disturbed adequately, realize thermally equivalent to the greatest extent in the case where external heat,
It ensure that carbonization quality.
The shaftless screw leaf on piece, which is welded with, raises fan plate 7, raises the mixed extension heat-transfer surface that is incorporated as of fan 7 strength imparting material of plate and reinforces
Heat exchange.
In the present invention, for the stirring capacity for further enhancing material, on the one hand in 33 barrel body rotation of inner cylinder, shaftless screw
Biomass material is transported to outlet end from arrival end by blade 211；On the other hand, which is also barrel
Heat-transfer surface is extended, there is augmentation of heat transfer.
The fan plate 7 of raising selects right angle bending to raise fan plate, and the axis direction of right angle towards inner cylinder 33 is installed；
Or, described raise the arc-shaped bending of fan plate or tilt angle bending.
And raising fan plate 7 has biomass material carrying the higher effect of shedding, and increases the stirring capacity of material.Lower inner cylinder
It 332 internal helical blades and raises fan plate matter using 310S stainless steel, upper 331 helical blade of inner cylinder and raises fan plate matter and use
304 stainless steels.The fan arranged for interval on Shaftless spiral blade 211 of plate 7 is raised, fan plate 7 is raised and is arranged perpendicular to axle center, and end is hung down
Directly it is welded with straight panel.
In the present invention, it is welded with fin on 31 inner wall of outer cylinder, fin is welded on inner tank theca, ipsilateral equidistant placement, and fin is same
When be welded on inner tank theca and outer tube inner wall, staggeredly labyrinth type arrange, flue gas S-shaped trend, extend the process of high-temperature gas, to add
By force to the heat exchange of inner cylinder 33.
As shown in Figs. 1-2, charging gear of the invention is segmentation feed bin charging, enters segmentation by shut-off valve Discrete control
Feed bin is mixed into reducing air, to control the carbonization atmosphere in retort.Entire fill process is divided into two sections, passes through first
Feed shut-off valve 111 and the second feed shut-off valve 112 are controlled.
The charging gear includes the first segmentation feed bin 121, the bucket type that biomass material is delivered to the first segmentation feed bin 121
Elevator 14, second is segmented feed bin 122, biomass material is sent to the of the second segmentation feed bin 122 from the first segmentation feed bin 121
One screw feeder 131, the second screw feeder that the biomass material that second is segmented in feed bin 122 is sent to inner cylinder charing；
Material is sent to the first feed of setting shut-off valve on the pipeline of the first segmentation feed bin 121 by the bucket elevator 14
111；Material delivery pipe road setting the second feed shut-off valve 112 of first segmentation feed bin 121 and the second segmentation feed bin 122；
The discharge end of first segmentation feed bin 121 is arranged the first screw feeder 131 and biomass material is sent to the second segmentation material
Storehouse 122, the discharge end of the second segmentation feed bin 122 are arranged the second screw feeder 132 and material are sent to inner cylinder 33.
Second screw feeder, which is located under the second segmentation feed bin 122, is convenient to blanking conveying.
What the present invention selected is cracking process charing, in the absence of air conditions, is heated by outside by biomass carbonization,
Thermal cracking and obtain charcoal.It is segmented feed bin charging, largely reduces the entrance of air when charging, and then avoid because of sky
Gas enters retort and reduces biomass carbonated yield and quality.
As shown in Figure 1, the Wooden Biomass carbonized in advance is chipped after crusher machine, the satisfactory part of partial size will be conveyed
Dried into whizzer, rotary drum drying machine 9 is dried using the flue gas of 8 pass-out of waste heat boiler, sent after drying to
It is stored in material storage hopper.Biomass material in storage hopper is promoted to the first segmentation feed bin through bucket elevator 14
121, then given by screw conveyor 131 to carbonization system.
As shown in Fig. 2, biomass after charging gear conveys enter stokehold first be segmented feed bin 122, second through stokehold
Screw conveyor 132 is sent into continuous carbonization furnace burner hearth.Entire fill process is divided into two sections, passes through the first feed 111 He of shut-off valve
Second feed shut-off valve 112 is controlled.When opening furnace charging, the first feed shut-off valve 111 and the second feed shutdown are successively opened
Valve 112 starts the first screw(-type) feeder 131 and the second screw(-type) feeder 132；When interrupting feed, stop the first screw(-type) feeder
131 and second screw(-type) feeder 132, close the first feed shut-off valve 111 and the second feed shut-off valve 112.
Biomass carbonated system is as shown in Fig. 2, biomass enters ladle addition storehouse 122 after feeding system conveys, through second
Screw feeder 132 is sent into the continuous carbonization furnace burner hearth of inner cylinder 33, and 132 feeding of the second screw feeder enters the pipe of inner cylinder
Sealing flange 22 is set on road, when being not necessarily to the second 132 feeding of screw feeder, realizes the sealing of inner cylinder.Entire fill process
It is divided into two sections, is controlled by the first feed shut-off valve 111 and the second feed shut-off valve 112.When opening furnace charging, successively open
First feed shut-off valve 111 and the second feed shut-off valve 112, start the first screw(-type) feeder 131 and the second screw(-type) feeder
132；When interrupting feed, start the first screw(-type) feeder 131 and the second screw(-type) feeder 132, closes the first feed shut-off valve 111
With the second feed shut-off valve 112.
Biomass material entrance one end of inner cylinder 33, carbonization process is arranged in the fuel gas outlet generated in carbonization process
The fuel gas of middle generation and material reverse flow, the heat source dried as biomass material and carbonized in advance.
In the present invention, fuel gas outlet and screw(-type) feeder are in retort the same side, and combustible gas outlet is in the second spiral shell
It revolves on batcher 132, guarantees gas circulation direction and biomass material direction of propulsion reverse flow.Biomass carbonated material is in inner cylinder
Reaction in 33 includes dryer section and heat scission reaction section, and the fuel gas setting of biomass carbonated generation is fed in biomass material
Side, fuel gas inversely circulate with biomass carbonated material, biomass through pyrolysis reaction in generate wood vinegar, tar and
Other are divided into as gas circulates, and are gradually adsorbed on biomass carbonated material, and fuel gas is that biomass carbonated material is inverse
Purification is realized into circulation.Meanwhile the high temperature of fuel gas is also that biomass carbide material promotes temperature, improves its hot tearing
Solve reaction efficiency.
The top outer cylinder 31 of the charing furnace body carries out UTILIZATION OF VESIDUAL HEAT IN, warp in exhanst gas outlet connection waste heat boiler 8
Enter after drying equipment is used as drying materials after residual heat boiler for exchanging heat and discharges
The burner 6 selects adiabatic combustion device, and adiabatic combustion device uses the fuel gas for being passed through charing generation as combustion
Material burns, and realizes heat recovery of the invention.Adiabatic combustion device selects the gas burner individually arranged, will carbonize
The department of fuel gas divided combustion generated in furnace body is used for retort heat source, after the high-temperature flue gas after burning carries out air distribution to suitable temperature
Retort outer cylinder is introduced by pipeline.
Adiabatic combustion device introduces flue gas recirculation, and exports in adiabatic combustion device and reserve a SNCR interface, is effectively controlling
Nitrogen oxide emission is reduced while flue-gas temperature processed.
Go out the connection setting cooling device of charcoal pipe 51 in the present invention, selects as water-cooling spiral device or direct-contact desuperheater, it is right
The biomass carbon cooling of generation prevents its burning, enters between baling vehicle after being cooled to certain temperature.In order to reach cooling down effect
Fruit, setting discharging shut-off valve 52 is used to turn off out charcoal pipe on charcoal pipe 51 out.
Charing furnace body is inside and outside double-sleeve structure, and upper inner cylinder 331 is connected to lower inner cylinder 332 and is used as material medium temperature carbonizing tube
There is material drying in road close to feed side, is high temperature channel 32 between upper outer cylinder 311 and lower outer cylinder 312 and inner cylinder 33, uses
In circulation high-temperature flue gas pipeline, 31 outer wall of outer cylinder coats thermal insulation material 34, avoids the heat energy loss in high temperature channel 32.Insulation adds
The heat source of hot jacket cylinder is high-temperature flue gas, and temperature is 800 DEG C or so.Biomass carbon compound self-sufficiency material device is sent into upper inner cylinder
After 331, as Shaftless spiral blade 211 is dried while mobile, the side Bian Yidong charing, in the oxidation that biomass through pyrolysis generates
Carbon, methane, hydrogen etc. are pyrolyzed fuel gas and burn in insulation gas burner, and the high-temperature flue gas incorporation part for generation of burning is low
The high temperature channel 32 being sent between in outer sleeve 311 and 312 after warm flue gas mixing, heats the biomass material in inner cylinder 33
Charing.The discharge flue-gas temperature of high temperature channel 32 is 400 DEG C or so, and the hot fume of this discharge passes through a residual heat boiler for exchanging heat drop
Temperature by blower to after 200 DEG C or so, being sent into whizzer the drying for carrying out biomass carbonated raw material, and 130 DEG C of flue-gas temperature
Be re-fed into behind left and right in biomass purification device (containing drying device and bag filter), from purification device come out after flue gas again
Chimney outlet is discharged by air-introduced machine.
Biomass carbonated material is sent into upper inner cylinder 331 by the screw conveyor machine that the second screw feeder 132 is arranged, along
The Shaftless spiral blade 211 that upper inner cylinder 331 is arranged, the Shaftless spiral blade 211 on upper layer are transported to from upper 331 feed end of inner cylinder
Discharging one end of inner cylinder 331 then drops down onto lower spiral inner wall extended segment 212 by feeder pipe 27, enters back into lower inner cylinder 332 and set
The Shaftless spiral blade set is delivered to out charcoal pipe pipe 51.Entire thermal cracking carbonization process is completed in retort, in inner cylinder 33
Temperature is typically maintained in 450 DEG C of left sides.The finished product charcoal of discharge is sent out by cooling down after carbon output machine is cooled to room temperature.
Retort is discharged through gas pipeline in the pyrolysis combustion gas generated in carbonization process, and insulation is partially entered under fan action
It is personal for carbonization system that burner generates hot fume, remaining combustion gas enter waste heat heat-exchange system carry out combustion heat release generate steam or
Hot water, or carry out purified treatment via adhesion and obtain pure industrial fuel gas.Hot fume is complete in retort
At waste heat boiler 8 is discharged into after heat exchange, heat boiler outlet flue gas enters drying equipment, by drying materials to moisture 10%
Hereinafter, meeting into furnace material water ratio requirement, to improve combustion gas quality.
A kind of continuous biomass carbonated device systems of bilayer or multilayer horizontal revolving cartridge type of the invention, are pushed away by spiral
Into, such as discarded brush wood of biomass raw material, stalk, cotton stalk are subjected to anoxybiotic pyrolysis, the biomass carbon of output high-quality and
Combustion gas and steam, biomass carbon are widely used in the industrial circles such as metallurgy, chemical industry, medicine, can also be to warm oneself, roast after mechanism
Etc. civilian industry, added value can be further increased with output active carbon after deep processing.The combustion generated in biomass pyrolysis process
Gas a part is used for pyrolyzing, remaining combustion gas is sent into waste heat boiler generation steam and is sent to heat user, and this mode greatly saves
The about energy.In addition, the combustion gas after pyrolysis can also further extract the products such as wood vinegar, tar, as good agricultural, work
Industry spin-off.
Finally it should be noted that listed above is only a specific embodiment of the invention.Obviously, the present invention is unlimited
In embodiment of above, there can also be many variations.Those skilled in the art can be straight from present disclosure
All deformations for connecing export or associating, are considered as protection scope of the present invention.
Claims (10)
1. a kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type, including charing furnace body, to retort sheet
The charging gear and charcoal discharge end of body conveying charing material, it is characterised in that:
The charing furnace body is longitudinally in bilayer or multilayer arrangement, and the charing furnace body of each layer includes the inner cylinder that is coaxially arranged and outside
Cylinder, the inner cylinder rotating and the biomass carbonated material to be passed through in inner cylinder provide the reaction kettle of isolation air, the outer sleeve
If outer tube, and at it reserving high temperature channel between inner cylinder, high temperature channel circulation high-temperature gas, is the biomass in inner cylinder
It carbonizes material pyrolysis and charing external heat source is provided；Set that Shaftless spiral blade conveys and to stir biomass carbonated material equal in the inner cylinder
Even charing, high temperature channel are passed through high-temperature gas and carry out high temperature carbonization to the biomass material that inner cylinder conveys；
The outer cylinder of the charing furnace body bottom is connected to burner, and burner provides high-temperature gas, the charcoal for high temperature channel
The exit end for changing the inner cylinder of the furnace body bottom is charcoal discharge end.
2. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1, it is characterised in that: retort sheet
Inner cylinder of the body on short transverse rebuilding, adjacent layer short transverse is connected by feeder pipe, and feeder pipe lower end passes through lower interior
Wall extends spirally section and the inner cylinder that material is sent to same layer is entered charing stroke；Outer cylinder in adjacent layer short transverse is connected to circulation
High-temperature gas.
3. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1, it is characterised in that: the charing
Furnace body is along short transverse multi-tier arrangement, the biomass carbonated S-shaped downlink of material stroke of inner cylinder, and the row of high temperature channel flue gas
Journey is in S row uplink, and the inner cylinder in adjacent layer short transverse is connected by feeder pipe, and feeder pipe lower end is extended through lower spiral inner wall
The inner cylinder that segment material is sent to same layer carries out charing stroke；Outer cylinder connection circulation high-temperature gas in adjacent layer short transverse.
4. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1-3 any claim, special
Sign is: the inner wall of the inner cylinder welds Shaftless spiral blade, and the Shaftless spiral blade is long screw pitch, multi-disc arrangement form；
Or, the Shaftless spiral blade, which is welded with, raises fan plate, raises the mixed extension heat-transfer surface that is incorporated as of fan plate strength imparting material and reinforce heat exchange；
Or, the fan plate of raising selects right angle bending to raise fan plate, the axis direction of right angle towards inner cylinder is installed；
Or, described raise the arc-shaped bending of fan plate or tilt angle bending.
5. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1-3 any claim, special
Sign is: fin is welded on the outer tube inner wall, to reinforce the heat exchange to inner cylinder；
Or, fin is welded on inner tank theca, ipsilateral equidistant placement；
Or, fin is welded on inner tank theca and outer tube inner wall simultaneously, staggeredly labyrinth type is arranged, flue gas S-shaped trend.
6. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1-3 any claim, special
Sign is: the charging gear selects segmentation feed bin charging, enters segmentation feed bin by shut-off valve Discrete control to reduce inner cylinder
Air is mixed into.
7. the continuous biomass carbonated system of horizontal revolving cartridge type as claimed in claim 6, it is characterised in that: the charging gear
Including the first segmentation feed bin, the bucket elevator that biomass material is delivered to the first segmentation feed bin, the second segmentation feed bin, will be biological
The biomass material that material is sent to the first screw feeder of the second segmentation feed bin from the first segmentation feed bin, is segmented in feed bin by second
It is sent to the second screw feeder of inner cylinder charing；
Material is sent to the first feed of setting shut-off valve, starting first on the pipeline of the first segmentation feed bin and given by the bucket elevator
Material shut-off valve is for obstructing air into the second segmentation feed bin；The material delivery pipe road of first segmentation feed bin and the second segmentation feed bin
Upper the second feed of setting shut-off valve, the second segmentation feed bin charging does not influence to carbonize furnace body fortune when starting second is fed shut-off valve
Row；
The discharge end of first segmentation feed bin is arranged the first screw feeder and biomass material is sent to the second segmentation feed bin, and described second
The discharge end of segmentation feed bin is arranged the second screw feeder and material is sent to inner cylinder.
8. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1-3,7 any claims,
Be characterized in that: biomass carbonated material inlet one end of inner cylinder, charing is arranged in the fuel gas outlet generated in carbonization process
The fuel gas generated in the process and material reverse flow, the heat source dried as biomass material and carbonized in advance.
9. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in claim 1-3,7 any claims,
Be characterized in that: the top outer cylinder of the charing furnace body carries out UTILIZATION OF VESIDUAL HEAT IN in exhanst gas outlet connection waste heat boiler, through remaining
Enter after drying equipment is used as biomass material drying after heat boiler heat exchange and discharges；
Or, the burner selects adiabatic combustion device, it is passed through the fuel gas that charing generates and burns, realizes energy circulation benefit
With.
10. the continuous biomass carbonated device systems of horizontal revolving cartridge type as described in any claim of claim 1-3,5,7,
It is characterized by: charcoal pipe connection setting cooling device out, is selected as water-cooling spiral device or direct-contact desuperheater, to the biology of generation
It is sent out after matter charcoal cooling down.
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