CN104946277A - Spiral drum type biomass continuous pyrolysis device - Google Patents
Spiral drum type biomass continuous pyrolysis device Download PDFInfo
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- CN104946277A CN104946277A CN201510270758.1A CN201510270758A CN104946277A CN 104946277 A CN104946277 A CN 104946277A CN 201510270758 A CN201510270758 A CN 201510270758A CN 104946277 A CN104946277 A CN 104946277A
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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
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Abstract
The invention relates to the technical field of biomass energy utilization, and more specifically, relates to a spiral drum type biomass continuous pyrolysis device. The spiral drum type biomass continuous pyrolysis device comprises a hopper, a spiral feeder, a spiral drum type pyrolyzer and a carbon box, wherein the spiral feeder is arranged at the lower part of the hopper, one end of the spiral drum type pyrolyzer is connected with the spiral feeder, and the other end of the spiral drum type pyrolyzer is connected with the carbon box. Because the outer wall of a heating section of the spiral drum type pyrolyzer is spiral, the heat transfer area is increased, the heat transfer rate is increased, heat can be rapidly transferred to a biomass raw material so as to promote the rapid heating and pyrolysis of the biomass raw material, pyrolysis gas enters a condenser finally, and pyrolyzed solid products enter the carbon box. The device realizes the rapid heat transfer of the pyrolyzer, therefore, the device has widespread popularization and application values.
Description
Technical field
The present invention relates to the technical field of Biomass Energy Utilization, more specifically, relate to a kind of spiral rotary drum type continuous biomass pyrolysis device.
Background technology
At present, the shortage of the energy and the deterioration of environment have become the two large problems of global concern, and the energy is that the mankind depend on for existence and social development, progressive prerequisite and basis.Along with the fast development of economy, the mankind to the demand of the energy also in quick growth.The main energy sources of society remains oil, coal, Sweet natural gas now.Owing to exploiting fossil energy in a large number, a large amount of emission greenhouse gas, causes serious environmental pollution and the change of global climate.Biomass energy is after oil, coal, Sweet natural gas, the fourth-largest energy of the world today, and the utilization of biomass resource reaches large-scale commercial level far away, and global biomass are as 4% of the energy its total energy still not enough, and Exploitative potential is very large.It is estimated, the thermal equivalent of the annual water of the earth, terrestrial matter output is 3 × 10
21about J is 10 times of the whole world current total energy consumption.The biomass of China are very abundant, but the biomass major part such as annual agricultural crop straw, cereal cot does not have effectively to utilize.The exploitation of biomass effectively can alleviate the energy of China and the pressure of environment, have very great significance to promotion China's Economic development and Improvement of Ecological Environment tool.Biomass pyrolytic technology is one of main method of biomass utilization.
Patent CN101486921A discloses a kind of biomass continuous pyrolysis carbonizing apparatus with flexible screw conveying, biomass material is carried and dry, charing in the thermal decomposition tube of helical screw feeder, after the biomass charcoal generated discharges reactor, cooling is collected or does further processing, because reaction process is slow, needing in thermal decomposition tube, stop time enough just can make raw material fully carbonize, the transport capacity of spiral have received very large restriction, is difficult to improve processing efficiency.
Patent CN2680985Y discloses the very strong efficient rotary type biomass gasifying furnace of a kind of fuel band adaptability, this vapourizing furnace has the horizontal type rotatable cylinder furnace of an axis and sea line angle inclination 5-30 ゜, has protruding screw-blade in tubular furnace wall.Although the intensity of cylinder furnace wall is large, reliable, adaptability is good, and the rate of heat transfer of cylinder is relatively little.
Summary of the invention
The present invention, for overcoming at least one defect described in above-mentioned prior art, provides a kind of spiral rotary drum type continuous biomass pyrolysis device, and it is by changing pyrolyzer thus changing heat transfer efficiency and speed.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of spiral rotary drum type continuous biomass pyrolysis device, wherein, comprise hopper, be located at the feeding screw of hopper bottom, also comprise spiral rotary drum type pyrolyzer and charcoal case, described spiral rotary drum type pyrolyzer one end is connected with feeding screw, and the other end is connected with charcoal case.
In the present invention, adopt drum-type pyrolysis, add barrel and the heat interchanging area adding heat smoke, simultaneously because wall of the outer-rotor is with spiral slot, therefore, add the disturbance of flue gas, refer to convection transfer rate, show as heat and can pass to biomass material more rapidly, impel biomass material to be rapidly heated cracking.
In the present invention, biomass material enters feeding screw by hopper, biomass material is carried to spiral rotary drum type pyrolyzer under the effect of spiral, when biomass material arrives feeding screw outlet, directly fall into spiral rotary drum type pyrolyzer, spiral rotary drum type pyrolyzer is in rotary state always, is fed forward under the effect in biomass material internal helicoid face in spiral rotary drum type pyrolyzer transfer roller.Biomass material spiral rotary drum type pyrolyzer in spiral rotary drum type pyrolyzer course of conveying transfers heat to biomass material, and biomass material heats up concurrent heat-dissipating solution.The coke produced is delivered to charcoal case by spiral rotary drum type pyrolyzer, and pyrolysis gas is inner along helicoidal surface to output flow at spiral rotary drum type pyrolyzer, and the opening eventually passed through above charcoal case enters condenser.
Further, be provided with seal valve in described hopper, it is inner that feeding screw stretches into spiral rotary drum type pyrolyzer, and the junction of feeding screw outer wall and spiral rotary drum type pyrolyzer is provided with end cap seal and fixes.
Hopper is inner with seal valve, after feeding in raw material, seal valve is closed at every turn, feeding screw is arranged on the below of hopper, feeding screw outer wall and charging end cap are fixed together, and seal therebetween, it is inner that feeding screw stretches into spiral rotary drum type pyrolyzer, prevents from resulting in blockage at interface in biomass material course of conveying.
Further, spiral rotary drum type continuous biomass pyrolysis device also comprises process furnace, and spiral rotary drum type pyrolyzer is located in process furnace.The described spiral rotary drum type pyrolyzer heating zone inside and outside wall be located in process furnace is all spirrillums.The two ends of described spiral rotary drum type pyrolyzer are right cylinder, and its one end is connected with end cap by bearing, and the other end is connected with charcoal case by bearing.Spiral rotary drum type continuous biomass pyrolysis device also comprises motor, is connected gear with motor, and gear connects spiral rotary drum type pyrolyzer.The two ends of described process furnace are provided with labyrinth seal structure.
In the present invention, spiral rotary drum type pyrolyzer heating zone inside and outside wall is all spirrillums, considerably increase spiral rotary drum type pyrolyzer outer wall-heated area, heat is passed to fast the inwall of spiral rotary drum type pyrolyzer, spiral rotary drum type pyrolyzer two ends are common cylinder body, two ends are connected by bearing with charcoal case with charging end cap respectively, the power of spiral rotary drum type pyrolyzer passes through gear transmission by motor, adopt two load-bearing tugboats to support at the two ends of spiral rotary drum type pyrolyzer close to process furnace, increase the intensity of spiral rotary drum type pyrolyzer.The rotating speed of spiral rotary drum type pyrolyzer can regulate simultaneously, so that regulate translational speed and the residence time of biomass material, to adapt to different biomass material and different pyrolysis times.Process furnace two ends adopt the mode of the labyrinth seal of refractory brick composition to seal, and effectively can prevent the heat loss of process furnace.It is inner that spiral rotary drum type pyrolyzer discharge port stretches into charcoal case, and have air outlet above charcoal case, air outlet is for connecting condenser.
The inside and outside wall of described spiral rotary drum type pyrolyzer is spirrillum, and not only intensity is relatively large, and effectively can increase the heating surface area of cylinder, improves the rate of heat transfer of pyrolyzer; And cylinder has good adaptability to biomass material, be not only adapted to different biomass materials, and relatively low to the requirement of biomass raw material particle size.
In addition, spiral rotary drum type pyrolyzer is rotatable parts, and cylinder has higher intensity, and Reliability comparotive is high, and the surface-area of spiral rotary drum type is much larger relative to conventional rollers, greatly improves heat transfer efficiency and rate of heat transfer.
Compared with prior art, beneficial effect is: the inside and outside wall of spiral rotary drum type pyrolyzer of the present invention is all spirrillums, increases the heating surface area of cylinder, effectively heat can be reached inwall from outer wall fast.Spiral rotary drum type pyrolyzer is rotatable parts, and relative to normal spiral axle feed mechanism, the intensity of cylinder is relatively large, and to material size strong adaptability, reliability is high.Spiral rotary drum type pyrolyzer is driven by variable-frequency motor, can regulate the rotating speed of cylinder, conveniently control pyrolysis time.
And spiral rotary drum type pyrolyzer heating zone outer wall is spirrillum, adds heat transfer area, increase rate of heat transfer, heat can be passed to biomass material rapidly, impel biomass material to be rapidly heated cracking, pyrolysis gas finally enters condenser, and pyrolysis solid product charcoal enters charcoal case.Achieve pyrolyzer flash heat transfer, there is popularity using value.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is workflow schematic diagram of the present invention.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.Describe position relationship in accompanying drawing only for exemplary illustration, the restriction to this patent can not be interpreted as.
As shown in Figure 1, 2, a kind of spiral rotary drum type continuous biomass pyrolysis device, wherein, comprise hopper 6, be located at the feeding screw 5 of hopper 6 bottom, also comprise spiral rotary drum type pyrolyzer 1 and charcoal case 10, spiral rotary drum type pyrolyzer 1 one end is connected with feeding screw 5, and the other end is connected with charcoal case 10.
In the present invention, adopt drum-type pyrolysis, add barrel and the heat interchanging area adding heat smoke, simultaneously because wall of the outer-rotor is with spiral slot, therefore, add the disturbance of flue gas, refer to convection transfer rate, show as heat and can pass to biomass material more rapidly, impel biomass material to be rapidly heated cracking.
In the present embodiment, biomass material enters feeding screw 5 by hopper 6, biomass material is carried to spiral rotary drum type pyrolyzer 1 under the effect of spiral, when biomass material arrival feeding screw 5 exports, directly fall into spiral rotary drum type pyrolyzer 1, spiral rotary drum type pyrolyzer 1 is in rotary state always, is fed forward under the effect of biomass material spiral inwall in spiral rotary drum type pyrolyzer 1 transfer roller.Biomass material spiral rotary drum type pyrolyzer 1 in spiral rotary drum type pyrolyzer 1 course of conveying transfers heat to biomass material, and biomass material heats up concurrent heat-dissipating solution.The coke produced is delivered to charcoal case 10 by spiral rotary drum type pyrolyzer 1, and pyrolysis gas is inner along helicoidal surface to output flow at spiral rotary drum type pyrolyzer, and the opening eventually passed through above charcoal case 10 enters condenser.
Further, be provided with seal valve in hopper 6, it is inner that feeding screw 5 stretches into spiral rotary drum type pyrolyzer 1, and the junction of feeding screw 5 outer wall and spiral rotary drum type pyrolyzer 1 is provided with end cap 8 and seals fixing.
Hopper 6 inside is with seal valve, after feeding in raw material, seal valve is closed at every turn, feeding screw 5 is arranged on the below of hopper 6, feeding screw 5 outer wall and charging end cap 8 are fixed together, and seal therebetween, it is inner that feeding screw 5 stretches into spiral rotary drum type pyrolyzer 1, prevents from resulting in blockage at interface in biomass material course of conveying.
In the present embodiment, spiral rotary drum type continuous biomass pyrolysis device also comprises process furnace 2, and spiral rotary drum type pyrolyzer 1 is located in process furnace 2.The spiral rotary drum type pyrolyzer 1 heating zone inside and outside wall be located in process furnace 2 is all spirrillums.The two ends of spiral rotary drum type pyrolyzer 1 are right cylinder, and its one end is connected with end cap 8 by bearing 7, and the other end is connected with charcoal case 10 by bearing 7.Spiral rotary drum type continuous biomass pyrolysis device also comprises motor 4, is connected gear 3 with motor 4, and gear 3 connects spiral rotary drum type pyrolyzer 1.The two ends of process furnace 2 are provided with labyrinth seal structure 9.The inside and outside wall of spiral rotary drum type pyrolyzer 1 is spirrillum.
Spiral rotary drum type pyrolyzer 1 is in process furnace 2, Heating temperature can reach 400 DEG C-600 DEG C, spiral rotary drum type pyrolyzer 1 heating zone inside and outside wall is all spirrillums, spiral helicine outer wall can increase cylinder outer wall heating surface area, effective raising rate of heat transfer, spiral rotary drum type pyrolyzer 1 two ends are common cylinder body, and two ends are connected by bearing 7 with charcoal case 10 with charging end cap 8 respectively, and the power of spiral rotary drum type pyrolyzer 1 is transmitted by gear 3 by motor 4.Adopt two load-bearing tugboats to support at the two ends of cylinder close to process furnace 2, the intensity of cylinder can be increased like this.And the rotating speed of cylinder can regulate, so that regulate translational speed and the residence time of biomass material, to adapt to different biomass material and different pyrolysis time.Process furnace 2 two ends adopt the mode of the labyrinth seal of refractory brick composition to seal, and effectively can prevent the heat loss of process furnace.Cylinder is in rotary state always, is fed forward under the effect of biomass material helicoidal surface in roller conveyor.Biomass material transfers heat to biomass material at cylinder pyrolyzer course of conveying intermediate roll pyrolyzer, and biomass material heats up concurrent heat-dissipating solution.
The outlet of spiral rotary drum type pyrolyzer 1 is connected by bearing with charcoal case 10, the coke that pyrolysis produces is delivered to charcoal case 10 by cylinder pyrolyzer, pyrolysis gas flowing without material filling part in spiral rotary drum type pyrolyzer 1 inside, the opening eventually passed through above charcoal case 10 enters condenser.
Spiral rotary drum type pyrolyzer 1 inside and outside wall is spirrillum, and not only intensity is relatively large, and effectively can increase the heating surface area of cylinder, improves the rate of heat transfer of pyrolyzer; And cylinder has good adaptability to biomass material, be not only adapted to different biomass materials, and relatively low to the requirement of biomass raw material particle size.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (8)
1. a spiral rotary drum type continuous biomass pyrolysis device, it is characterized in that, comprise hopper (6), be located at the feeding screw (5) of hopper (6) bottom, also comprise spiral rotary drum type pyrolyzer (1) and charcoal case (10), described spiral rotary drum type pyrolyzer (1) one end is connected with feeding screw (5), and the other end is connected with charcoal case (10).
2. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 1, it is characterized in that: in described hopper (6), be provided with seal valve, it is inner that feeding screw (5) stretches into spiral rotary drum type pyrolyzer (1), and the junction of feeding screw (5) outer wall and spiral rotary drum type pyrolyzer (1) is provided with end cap (8) and seals fixing.
3. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 2, it is characterized in that: spiral rotary drum type continuous biomass pyrolysis device also comprises process furnace (2), spiral rotary drum type pyrolyzer (1) is located in process furnace (2).
4. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 3, is characterized in that: described spiral rotary drum type pyrolyzer (1) the heating zone inside and outside wall be located in process furnace (2) is all spirrillums.
5. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 4, it is characterized in that: the two ends of described spiral rotary drum type pyrolyzer (1) are right cylinder, its one end is connected with end cap (8) by bearing (7), and the other end is connected with charcoal case (10) by bearing (7).
6. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 5, it is characterized in that: spiral rotary drum type continuous biomass pyrolysis device also comprises motor (4), is connected gear (3) with motor (4), gear (3) connects spiral rotary drum type pyrolyzer (1).
7. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 6, is characterized in that: the two ends of described process furnace (2) are provided with labyrinth seal structure (9).
8. a kind of spiral rotary drum type continuous biomass pyrolysis device according to claim 4, is characterized in that: the inside and outside wall of described spiral rotary drum type pyrolyzer (1) is spirrillum.
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| CN201510270758.1A CN104946277A (en) | 2015-05-25 | 2015-05-25 | Spiral drum type biomass continuous pyrolysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733619A (en) * | 2016-02-24 | 2016-07-06 | 亚鼎沃环保科技有限公司 | Urban household garbage thermal cracking treatment device and method for conducting urban household garbage thermal cracking with same |
| CN108641736A (en) * | 2018-07-09 | 2018-10-12 | 苏州普洛代尔机电有限公司 | Biomass cracking carbide furnace |
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| WO2011034409A1 (en) * | 2009-09-18 | 2011-03-24 | Intec Group, Sia | Reactor for pyrolysis of biomass |
| CN201945230U (en) * | 2011-01-06 | 2011-08-24 | 焦兴齐 | Double-face reinforced heat exchange screw tube |
| CN202403597U (en) * | 2012-01-16 | 2012-08-29 | 安吉恒盛热能机械有限公司 | Heat exchange pipe with spiral grooves |
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2015
- 2015-05-25 CN CN201510270758.1A patent/CN104946277A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101020828A (en) * | 2007-02-15 | 2007-08-22 | 东北电力大学 | Microwave drum dry distiller and its application in dry distilling and pyrolyzing oil shale |
| WO2011034409A1 (en) * | 2009-09-18 | 2011-03-24 | Intec Group, Sia | Reactor for pyrolysis of biomass |
| CN101880539A (en) * | 2010-06-25 | 2010-11-10 | 华南农业大学 | Continuous biomass pyrolysis device |
| CN201945230U (en) * | 2011-01-06 | 2011-08-24 | 焦兴齐 | Double-face reinforced heat exchange screw tube |
| CN202403597U (en) * | 2012-01-16 | 2012-08-29 | 安吉恒盛热能机械有限公司 | Heat exchange pipe with spiral grooves |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105733619A (en) * | 2016-02-24 | 2016-07-06 | 亚鼎沃环保科技有限公司 | Urban household garbage thermal cracking treatment device and method for conducting urban household garbage thermal cracking with same |
| CN108641736A (en) * | 2018-07-09 | 2018-10-12 | 苏州普洛代尔机电有限公司 | Biomass cracking carbide furnace |
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