CN104099111A - Continuous and overall biomass pyrolysis furnace - Google Patents
Continuous and overall biomass pyrolysis furnace Download PDFInfo
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- CN104099111A CN104099111A CN201410348013.8A CN201410348013A CN104099111A CN 104099111 A CN104099111 A CN 104099111A CN 201410348013 A CN201410348013 A CN 201410348013A CN 104099111 A CN104099111 A CN 104099111A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention provides a continuous and overall biomass pyrolysis furnace which comprises a thermal insulation casing and a flue gas heat supply cavity, wherein a pyrolysis chamber is formed in the flue gas heat supply cavity. The biomass pyrolysis furnace is characterized in that a pyrolysis gas tar pyrolysis chamber and a semicoke calcination chamber are further formed in the flue gas heat supply cavity; the pyrolysis chamber, the pyrolysis gas tar pyrolysis chamber and the semicoke calcination chamber are vertically arranged in the flue gas heat supply cavity and penetrate through a spiral hot air channel, and upper ends and lower ends of the pyrolysis chamber, the pyrolysis gas tar pyrolysis chamber and the semicoke calcination chamber extend out of the flue gas heat supply cavity; and a material inlet is formed in the lower end of the pyrolysis chamber, a pyrolysis gas outlet and a semicoke outlet are formed in the upper end, the pyrolysis gas outlet in the upper end of the pyrolysis chamber is communicated with a pyrolysis gas inlet in the pyrolysis gas tar pyrolysis chamber, and the semicoke outlet is communicated with a semicoke inlet in the semicoke calcination chamber through a horizontal auger. According to the continuous and overall biomass pyrolysis furnace, three processes including pyrolysis, tar pyrolysis and semicoke calcination are implemented in a segmented manner in the same flue gas heat supply cavity, the whole reaction process is controlled effectively, the quality of charcoal and gas is improved, and the conversion efficiency is increased.
Description
Technical field
The present invention relates to biomass thermal technical field of chemistry, specifically the continuous overall pyrolysis oven of biomass.
Background technology
Biomass pyrolytic technology has become the emphasis of numerous renewable energy resources technical study at present, is mainly the technology of utilizing biomass material (as biomass straw, forestry industrial wood waste, excrement of animals and domestic refuse etc.) at high temperature to decompose output combustion gas and biomass charcoal.There are in the market a variety of biomass pyrolysis furnaces, but general biomass pyrolysis furnace is the step industrialized utilization that is not easy to, also have continous way as authorize publication No. advanced to industrialized utilization for " a kind of continuous biomass pyrolytic carbon gas and oil polygenerations systeme " that CN102776007B announced, biomass material is continuously from upper end input high-temperature furnace body, in the process dropping, carry out pyrolytic reaction, thereby generate continuously biomass carbon and flammable mixed gas.But raw material enters after high-temperature furnace body, only in freely falling body process, could greater efficiency absorb heat, significantly reduce once fall to being deposited in bottom heat absorption efficiency, so the time of pyrolytic process energy high efficiency heat absorption is shorter; Particularly, biomass material is of a great variety, attribute is different, and the needed reaction times length of pyrolytic process differs, if effectively dynamic adjustments, will cause reaction not exclusively, the coal-tar middle oil content of combustion gas is too much, has increased the weight of follow-up purification mechanism complexity and has purified difficulty.System needs multiple split equipment compositions such as pyrolysis, coke tar cracking, system architecture complexity, and in-fighting is too high, and heat utilization efficiency is low.
Summary of the invention
The present invention provides biomass continuous overall pyrolysis oven according to the deficiencies in the prior art, make it the reaction process such as whole pyrolysis, coke tar cracking, semicoke calcining segment-and-region-based under same thermal source environment and realize, and process is effectively controlled.The fully efficiently heat absorption time of material under hot environment becomes controlled, improved the quality of charcoal, gas and ensured that combustion gas is more clean, and resource is fully used.
Technical scheme provided by the invention: the continuous overall pyrolysis oven of described a kind of biomass comprises the flue gas heat supply chamber surrounding in heat insulating shell and shell, in flue gas heat supply chamber, be provided with pyrolysis chamber, it is characterized in that: described flue gas heat supply is separated to form sealed spirrillum hot-air channel by spirrillum fin in chamber, the lower port of described spirrillum hot-air channel is communicated with the hot blast import that is arranged on shell lower end, and upper port is communicated with the hot-blast outlet that is arranged on shell upper; In flue gas heat supply chamber, be also provided with pyrolysis gas coke tar cracking chamber and semicoke calcining compartment, described pyrolysis chamber, pyrolysis gas coke tar cracking chamber and semicoke calcining compartment are all vertically placed in flue gas heat supply chamber, and through spirrillum hot-air channel, upper and lower end all stretches out flue gas heat supply chamber; Lower end in pyrolysis chamber is provided with material inlet, upper end is provided with pyrolysis gas outlet and semicoke outlet, the pyrolysis gas outlet of upper end, described pyrolysis chamber is communicated with the pyrolysis gas entrance of pyrolysis gas coke tar cracking chamber, semicoke outlet is communicated with the semicoke entrance of semicoke calcining compartment by transverse auger, stretches out flue gas heat supply cavity segment be respectively equipped with that biomass gas exports and biomass charcoal exports at pyrolysis gas coke tar cracking chamber and semicoke calcining compartment; In pyrolysis chamber, be provided with the vertical auger that raw material is carried from bottom to top, the feed end of vertical auger is communicated with material inlet.
The further technical scheme of the present invention: described pyrolysis gas coke tar cracking chamber comes and goes the cracking tube through flue gas heat supply chamber by one or more one or many, be arranged on the multiple upper gas collection storehouse and the one or more lower gas collection storehouse composition that is arranged on shell below of shell top, one or more cracking tube is communicated with the pyrolysis gas outlet of pyrolysis chamber by gas collection storehouse on first, then one or many comes and goes in flue gas heat supply chamber, every cracking tube is passed down through behind flue gas heat supply chamber with gas collection storehouse under corresponding end and is communicated with, after being upward through flue gas heat supply chamber, be communicated with corresponding upper gas collection storehouse, and described biomass gas outlet is opened on the upper gas collection storehouse being communicated with the cracking tube that upwards runs through for the last time flue gas heat supply chamber.
The present invention is technical scheme preferably: described pyrolysis gas coke tar cracking chamber is made up of many cracking tubes, first, second the upper collection chamber that is arranged on shell top and the lower collection chamber being arranged on below shell, described on first, second collection chamber be arc shape, many cracking tubes are equally spaced, its inlet end passes through collection chamber on first and is communicated with the pyrolysis gas outlet of pyrolysis chamber, lower end is communicated with lower collection chamber through flue gas heat supply chamber, be upward through again afterwards flue gas heat supply chamber and be communicated with collection chamber on second, on second, on collection chamber, be provided with biomass gas outlet.
The present invention is technical scheme preferably: be provided with semicoke in the semicoke outlet of pyrolysis chamber and reclaim chamber, semicoke reclaims the discharge port of chamber and the semicoke entrance of semicoke calcining compartment is communicated with, it is indoor that laterally auger is placed in semicoke recovery, feed end stretches in pyrolysis chamber from the semicoke outlet of pyrolysis chamber, and be connected with the discharge end of vertical auger, can directly the semicoke of discharging in pyrolysis chamber be quoted to semicoke reclaims indoor, laterally the discharge end of auger is placed in the discharge port place of semicoke recovery chamber, semicoke is reclaimed to indoor semicoke and send into semicoke calcining compartment, the control motor of described horizontal auger is arranged on semicoke and reclaims outdoor.
The present invention is technical scheme preferably: the outer wall of described spirrillum fin and pyrolysis chamber is welded and fixed, on spirrillum fin, offer the hole that can use pyrolysis chamber, pyrolysis gas coke tar cracking chamber and semicoke calcining compartment to pass, pyrolysis chamber, pyrolysis gas coke tar cracking chamber and semicoke calcining compartment pass hole corresponding on spirrillum fin, and are tightly connected with it.
The further technical scheme of the present invention: described vertical auger regulation and control frequency is 10-60r/min for regulating and controlling frequency.
The further technical scheme of the present invention: described semicoke calcining compartment lower end semicoke outlet connect take charcoal screw feeder out of go out charcoal storehouse.
Temperature in flue gas heat supply of the present invention chamber is 800-1250 DEG C.The auger and the combustion gas cracking tube that are arranged in pyrolysis chamber all adopt high temperature material to make.
Beneficial effect of the present invention:
1. overall pyrolysis, reduces in-fighting, and the reactions such as biomass pyrolytic, pyrolysis gas cracking, semicoke calcining are all carried out in same flue gas heat supply chamber, and the heat utilization efficiency of flue gas is high, effectively reduces in-fighting.
2. pyrolysis time can be controlled, and reacts more complete, applied widely.Biomass material mode of movement in pyrolysis chamber of the present invention adopts controlled delivery mode from bottom to top, increase raw material pyrolysis time operability, the raw material that not only can allow centre portions in pyrolysis chamber be difficult to reaction constantly turn to skin, make it thermally equivalent, and can be according to required its input speed of pyrolysis time control of different material, guarantee that different material all can react completely, reduced the restriction of different material to equipment, its adaptability is more extensive;
3. heat waste is little, and pyrolysis chamber is heated evenly.In flue gas heat supply of the present invention chamber, adopt spiral flue design, make high-temperature hot-air enter flue gas heat supply chamber along helical pipe, not only extend the residence time of high-temperature hot-air in flue gas heat supply chamber, reduce thermal losses, and make it the semicoke calcining compartment that pyrolysis chamber and inside, flue gas heat supply chamber runs through and combustion gas and split pipe and be heated more even;
4. improve charcoal, makings amount.Semicoke calcining compartment of the present invention is through flue gas heat supply chamber, its gas line repeats to run through flue gas heat supply chamber, extend the time that pyrolysis gas and semicoke stop under hot environment, allow it further carry out cracking, generate the charcoal of small molecules combustible gas and decoking, reduce the generation of tar, improved gaseous mass.
The invention provides pyrolysis oven continuous pyrolysis function, overall structure form, improved the quality of charcoal, gas, ensured that combustion gas is more clean, and biomass material is fully used.
Brief description of the drawings
Fig. 1 is longitudinal sectional view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is charcoal gas movement locus schematic diagram of the present invention;
Fig. 4 is horizontal auger structural representation of the present invention.
In figure: 1-heat insulating shell, 2-flue gas heat supply chamber, the import of 2-1-hot blast, 2-2-hot-blast outlet, 2-3-spirrillum hot air duct, 3-pyrolysis chamber, 3-1-material inlet, 3-2-pyrolysis gas outlet, the outlet of 3-3-semicoke, 3-4-vertical auger, 4-pyrolysis gas coke tar cracking chamber, 4-1-pyrolysis gas entrance, the outlet of 4-2-biomass gas, 4-3-cracking tube, 5-laterally auger, 5-1-semicoke reclaims chamber, 5-2-laterally auger control motor, 5-3-semicoke reclaims chamber discharge port, 6-semicoke calcining compartment, 6-1-semicoke entrance, the outlet of 6-2-biomass charcoal, gas collection storehouse on 7-the first, 8-lower gas collection storehouse, gas collection storehouse on 9-the second, 10-fin, 11-go out charcoal storehouse, 12-vertical auger control motor, A-raw material movement locus, B-charcoal movement locus, C-pyrolysis gas movement locus, D-hot blast movement locus.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.As shown in Figure 1, the continuous overall pyrolysis oven of described a kind of biomass comprises the flue gas heat supply chamber 2 surrounding in heat insulating shell 1 and shell 1, in flue gas heat supply chamber 2, be provided with pyrolysis chamber 3, it is characterized in that: in described flue gas heat supply chamber 2, be separated to form the sealed and spirrillum hot-air channel 2-3 of spiral in vertical direction by spirrillum fin 10, on spirrillum fin 10, offer vertical direction and can pass through pyrolysis chamber 3, the hole of pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 5, spirrillum fin 10 is welded and fixed with the outer wall of pyrolysis chamber 3, pyrolysis chamber 3, pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 6 are through hole corresponding on spirrillum fin 10, pyrolysis chamber 3 when through hole, the outer wall of pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 6 is all tightly connected with hole edge, the spirrillum hot-air channel 2-3 forming is sealing shape.The lower port of described spirrillum hot-air channel 2-3 is communicated with the hot blast import 2-1 that is arranged on shell 1 lower end, upper port is communicated with the hot-blast outlet 2-2 that is arranged on shell 1 top, hot blast enters in spirrillum hot-air channel 2-3 by the hot blast import 2-1 of lower end, its movement locus is as shown in hot blast movement locus D in Fig. 3, the hot blast temperature entering in flue gas heat supply chamber 2 is 800-1250 DEG C, high-temperature hot-air moves upward along spirrillum hot air duct 2-3 spiral, full flue gas heat supply chamber 2 rear self-heatings are discharged from the hot-blast outlet 2-2 on top, because the movement locus of its hot blast is spirrillum, can increase the residence time of hot blast in flue gas heat supply chamber 2, can guarantee that hot blast constantly imports uniformly heat into pyrolysis chamber 3 in motion, semicoke calcining compartment 6 and combustion gas are split in pipe 4-3, help interior media to react or further reaction.
As shown in Figure 1, in flue gas heat supply chamber 2, be also provided with pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 6, described pyrolysis chamber 3, pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 6 are all vertically placed in flue gas heat supply chamber 2, and through spirrillum hot-air channel 2-3, upper and lower end all stretches out flue gas heat supply chamber 2, and middle portion is all placed in flue gas heat supply chamber 2, pyrolysis chamber 3, the supplying heat source of pyrolysis gas coke tar cracking chamber 4 and semicoke calcining compartment 6 provides by flue gas heat supply chamber 2, be provided with material inlet 3-1 in the lower end of pyrolysis chamber 3, upper end is provided with pyrolysis gas outlet 3-2 and semicoke outlet 3-3, in pyrolysis chamber 3, be provided with the vertical auger 3-4 that raw material is carried from bottom to top, the feed end of vertical auger 3-4 is communicated with material inlet 3-1, raw material is to enter by the material inlet 3-1 of 3 lower ends, pyrolysis chamber, its movement locus is as shown in Fig. 3 Raw movement locus A, the biomass material process entering in pyrolysis chamber is processed, make its particle diameter be less than 50mm, water ratio 15-20%, material enters in the vertical auger 3-4 in pyrolysis chamber 3, vertical auger 3-4 carries biomass material from bottom to top, the heat receiving in course of conveying in flue gas heat supply chamber 2 carries out pyrolytic reaction, the semicoke and the combustible mixture that generate respectively.It is 10-60r/min for regulating and controlling frequency that described vertical auger 7 regulates and controls frequency, its concrete regulation and control realize by the control motor of regulation and control auger, according to practical situation governing speed, guarantee biomass material can be in pyrolysis chamber complete reaction, make biomass charcoal and the combustible mixture of discharging all arrive design requirements.
As shown in fig. 1, the pyrolysis gas outlet 3-2 of 3 upper ends, described pyrolysis chamber is communicated with the pyrolysis gas entrance 4-1 of pyrolysis gas coke tar cracking chamber 4, and described pyrolysis gas coke tar cracking chamber 4 is made up of many cracking tube 4-3, first, second the upper collection chamber 7,9 that is arranged on shell top and the lower collection chamber 8 being arranged on below shell.As shown in Figure 2, described on first, second collection chamber 7,9 be arc shape, many cracking tube 4-3 are equally spaced, on first, collection chamber 9 is arranged on the pyrolysis gas outlet of pyrolysis chamber 3, interior pyrolysis chamber 3 reacted air mixture can be collected on first in collection chamber 7, the inlet end of many cracking tube 4-3 is directly communicated with collection chamber on first 7, lower end is communicated with lower collection chamber 8 through flue gas heat supply chamber 2, be upward through again afterwards flue gas heat supply chamber 2 and be communicated with collection chamber on second 9, on second, on collection chamber 9, be provided with biomass gas outlet 4-2.Air mixture on first in collection chamber 7 enters respectively in many cracking tube 4-3, then along many cracking tube 4-3 operations, concrete movement locus is as in Fig. 3, as shown in gasmovement track C in Fig. 3, air mixture after pyrolysis runs in lower collection chamber 8 by many cracking tube 4-3, and then continue upwards to continue to be moved into flue gas heat supply top of chamber second in collection chamber 9, combustion gas is passed through the outlet of the biomass gas on collection chamber 9 4-2 on second and is discharged, when combustible mixture is in the time splitting pipe 4-3 motion through the combustion gas in flue gas heat supply chamber 2, continue to be subject to the heat effects of the high-temperature flue gas moving along fin 10 in flue gas heat supply chamber 2, tar carries out further cracking and generates micro-molecular gas, reduce the content of tar in mixed gas, fuel gases calorific value is increased, fuel gases calorific value >=the 14000KJ/m3 of its discharge, wherein inflammable gas content >=70% (is CO, CH4, H2 and CnHm etc.).Described pyrolysis gas coke tar cracking chamber 4 also can be come and gone through flue gas heat supply chamber 2 for many times by many cracking tube 4-3, or come and gone in flue gas heat supply chamber 2 by a cracking tube 4-3 one or many, need above round words twice, add as required gas collection storehouse quantity, reach top just has in a upper collection chamber at every turn, reach bottom and just have a lower collection chamber, its outlet side is finally placed in the top in flue gas heat supply chamber 2, so biomass gas outlet 4-2 is all opened in upper end on last on collection chamber.
As shown in Figure 1, the semicoke outlet 3-3 of 3 upper ends, described pyrolysis chamber is communicated with the semicoke entrance 6-1 of semicoke calcining compartment 6 by transverse auger 5, as shown in Figure 4, be provided with semicoke at the semicoke outlet 3-3 of pyrolysis chamber 3 and reclaim chamber 5-1, semicoke reclaims the discharge port 5-3 of chamber and the semicoke entrance 6-1 of semicoke calcining compartment 6 is communicated with, laterally auger 5 is placed in semicoke recovery chamber 5-1, feed end stretches in pyrolysis chamber 3 from the semicoke outlet 3-3 of pyrolysis chamber 3, and be connected with the discharge end of vertical auger 3-4, laterally the discharge end of auger 5 is placed in the discharge port place of semicoke recovery chamber 5-1, the control motor 5-2 of described horizontal auger 5 is arranged on semicoke and reclaims outside the 5-1 of chamber.Stretch out flue gas heat supply chamber 2 parts at semicoke calcining compartment 6 and be provided with biomass charcoal outlet 6-2, semicoke outlet 6-2 connect take charcoal screw feeder out of go out charcoal storehouse 11.The movement locus of semicoke is as in Fig. 3, shown in charcoal movement locus B, the semicoke that interior reaction generates in pyrolysis chamber 1 imports after semicoke calcining compartment 6 by horizontal auger 5, further collect or utilize to going out charcoal storehouse 11, semicoke in semicoke calcining compartment 6 is subject to further reacting along the heat effects of the high-temperature flue gas of spirrillum hot air duct 2-2 operation equally, in charcoal, contained coke tar cracking volatilization enters in pyrolysis gas coke tar cracking chamber 4, thereby obtain low burnt pyrocarbon, combustion gas quality further improves simultaneously.Laterally auger 5 rotating speeds are 10-60r/min.
Below in conjunction with enforcement illustration represented in accompanying drawing 1, use procedure of the present invention is described, the concrete process using is as follows:
(1) by biomass material through broken, dry and make its particle diameter be less than 50mm, be moisturely less than 15%;
(2) by step 1, handle well biomass material send into the vertical auger 3-4 in pyrolysis chamber from the material inlet 3-1 of 3 lower ends, pyrolysis chamber, vertical auger 3-4 carries biomass material from bottom to top, design and enter the biomass material gasification of vertical auger and the time of charing by calculating, then regulate the transfer rate of vertical auger 3-4; It in charging or before charging, is the high temperature hot gas of 800-1100 DEG C by flue gas heat supply chamber 2 lower end hot blast import delivery temperatures, high temperature hot gas is upwards carried along spirrillum hot air duct 2-3, and discharge from the hot-blast outlet of upper end, the residence time in high-temperature zone of the high temperature hot gas in its process more than 800 DEG C is greater than 9 seconds;
(3) biomass material is by vertical auger 3-4 upwards in course of conveying, and the heat receiving in flue gas heat supply chamber 2 carries out charing and gasification reaction, the semicoke and the combustible mixture that generate respectively;
(4) combustible mixture generating directly enters on first in collection chamber 7, enter respectively more combustion gas and split the continuation outlet of the biomass gas on collection chamber 9 4-2 discharge from second after cracking under the high temperature of 800-1100 DEG C in pipe 4-3, fuel gases calorific value >=the 14000KJ/m3 of its discharge, wherein inflammable gas content >=70% (being CO, CH4, H2 and CnHm etc.);
(5) semicoke generating after carbonization reaction in step (3) is transported in semicoke calcining compartment 6 by horizontal auger 5, carries out secondary charing under the high temperature of 800-1100 DEG C, discharges from its bottom, and the charcoal of its discharge is low burnt pyrocarbon.
Adopting the device of above-mentioned mechanism structure will make it whole reaction process is effectively controlled, to solve restricted because of its structure of original technology, this structure is subject to Reaktionsofen size limitation larger to the output of its carbon, gas, and because biomass material attribute difference separately, cannot effectively regulate gasification, carbonization time, cause not exclusively (other waste materials of tar are more) of reaction, biomass energy can not be fully utilized, and has wasted the problems such as ample resources.
Claims (7)
1. the continuous overall pyrolysis oven of biomass, comprise the flue gas heat supply chamber (2) surrounding in heat insulating shell (1) and shell (1), in flue gas heat supply chamber (2), be provided with pyrolysis chamber (3), it is characterized in that: in described flue gas heat supply chamber (2), be separated to form sealed spirrillum hot-air channel (2-3) by spirrillum fin (10), the lower port of described spirrillum hot-air channel (2-3) is communicated with the hot blast import (2-1) that is arranged on shell (1) lower end, upper port is communicated with the hot-blast outlet (2-2) that is arranged on shell (1) top, in flue gas heat supply chamber (2), be also provided with pyrolysis gas coke tar cracking chamber (4) and semicoke calcining compartment (6), described pyrolysis chamber (3), pyrolysis gas coke tar cracking chamber (4) and semicoke calcining compartment (6) are all vertically placed in flue gas heat supply chamber (2), and through spirrillum hot-air channel (2-3), upper and lower end all stretches out flue gas heat supply chamber (2), in pyrolysis chamber, the lower end of (3) is provided with material inlet (3-1), upper end is provided with pyrolysis gas outlet (3-2) and semicoke outlet (3-3), the pyrolysis gas outlet (3-2) of upper end, described pyrolysis chamber (3) is communicated with the pyrolysis gas entrance (4-1) of pyrolysis gas coke tar cracking chamber (4), semicoke outlet (3-3) is communicated with the semicoke entrance (6-1) of semicoke calcining compartment (6) by transverse auger (5), stretch out at pyrolysis gas coke tar cracking chamber (4) and semicoke calcining compartment (6) that flue gas heat supply chamber (2) part is respectively equipped with biomass gas outlet (4-2) and biomass charcoal exports (6-2), in pyrolysis chamber (3), be provided with the vertical auger (3-4) that raw material is carried from bottom to top, the feed end of vertical auger (3-4) is communicated with material inlet (3-1).
2. the continuous overall pyrolysis oven of biomass according to claim 1, it is characterized in that: described pyrolysis gas coke tar cracking chamber (4) comes and goes the cracking tube (4-3) through flue gas heat supply chamber (2) by one or more one or many, be arranged on the multiple upper gas collection storehouse and one or more lower gas collection storehouse (8) composition that is arranged on shell below of shell top, one or more cracking tube (4-3) is communicated with the pyrolysis gas outlet (3-3) of pyrolysis chamber (3) by gas collection storehouse on first, then one or many comes and goes in flue gas heat supply chamber (2), every cracking tube (4-3) is communicated with corresponding lower gas collection storehouse (8) after being passed down through flue gas heat supply chamber (2), after being upward through flue gas heat supply chamber (2), be communicated with corresponding upper gas collection storehouse, and described biomass gas outlet (4-2) is opened on the end being communicated with the cracking tube that upwards runs through for the last time flue gas heat supply chamber (2) on gas collection storehouse.
3. the continuous overall pyrolysis oven of biomass according to claim 1, it is characterized in that: described pyrolysis gas coke tar cracking chamber (4) is by many cracking tubes (4-3), be arranged on first of shell top, collection chamber (7 on second, 9) and be arranged on lower collection chamber (8) composition of shell below, described first, collection chamber (7 on second, 9) be arc shape, many cracking tubes (4-3) are equally spaced, its inlet end passes through collection chamber (7) on first and is communicated with the pyrolysis gas outlet (3-3) of pyrolysis chamber (3), lower end is communicated with lower collection chamber (8) through flue gas heat supply chamber (2), being upward through afterwards flue gas heat supply chamber (2) is communicated with collection chamber on second (9) again, on collection chamber on second (9), be provided with biomass gas outlet (4-2).
4. according to the continuous overall pyrolysis oven of biomass described in claim 1 or 2 or 3, it is characterized in that: described spirrillum fin (10) is welded and fixed with the outer wall of pyrolysis chamber (3), on spirrillum fin (10), offer the hole that can use pyrolysis chamber (3), pyrolysis gas coke tar cracking chamber (4) and semicoke calcining compartment (6) to pass, pyrolysis chamber (3), pyrolysis gas coke tar cracking chamber (4) and semicoke calcining compartment (6) pass the upper corresponding hole of spirrillum fin (10), and are tightly connected with it.
5. according to the continuous overall pyrolysis oven of biomass described in claim 1 or 2 or 3, it is characterized in that: described vertical auger (7) regulation and control frequency is 10-60r/min for regulating and controlling frequency.
6. according to the continuous overall pyrolysis oven of biomass described in claim 1 or 2 or 3, it is characterized in that: the temperature in flue gas heat supply chamber is 800-1250 DEG C.
7. according to the continuous overall pyrolysis oven of biomass described in claim 1 or 2 or 3, it is characterized in that: described semicoke calcining compartment (6) lower end semicoke outlet (6-2) connect take charcoal screw feeder out of go out charcoal storehouse (11).
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| CN112877528A (en) * | 2020-12-27 | 2021-06-01 | 江苏轩辕特种材料科技有限公司 | High-strength magnesium-aluminum alloy quenching device and working method |
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| CN111440629A (en) * | 2020-04-09 | 2020-07-24 | 华中农业大学 | Gas-solid staged pyrolysis differential staged continuous biomass carbonization device and method |
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| CN115307436A (en) * | 2022-10-10 | 2022-11-08 | 山东天弘化学有限公司 | Petroleum coke calcining device and calcining process |
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