CN102206496B - Pyrolysis and liquidation system for heating biomass by using solid heat storage ball - Google Patents
Pyrolysis and liquidation system for heating biomass by using solid heat storage ball Download PDFInfo
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- CN102206496B CN102206496B CN2011100968131A CN201110096813A CN102206496B CN 102206496 B CN102206496 B CN 102206496B CN 2011100968131 A CN2011100968131 A CN 2011100968131A CN 201110096813 A CN201110096813 A CN 201110096813A CN 102206496 B CN102206496 B CN 102206496B
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Abstract
The invention provides a pyrolysis and liquidation system for heating biomass by using a solid heat storage ball. In the system, an outlet of a heat storage ball heating device is communicated with a feed inlet of a reactor through a feeding device; a feed outlet of the reactor is communicated with a separation device; the bottom of the separation device is connected with an ash box, and the top of the separation device is connected with a pyrolysis gas treatment device; and a second heat storage ball outlet on the side wall at the lower end of the separation device is connected with the heat storage ball heating device through a heat storage ball lifting device. The system is characterized in that: the reactor is a sleeve-type reactor and comprises an inner pipe and an outer pipe which are coaxially sleeved with each other; the two ends of the inner pipe are communicated with the feeding device and the separation device respectively; a hot air outlet and a hot air inlet of the outer pipe are communicated with the heat storage ball heating device respectively; the separation device comprises a separation box and a sieve plate which is obliquely arranged in the separation box and is tilted along the direction of an outlet at the bottom of the inner pipe; and the lower end of the sieve plate is connected with the outlet of the second heat storage ball, and the upper end of the sieve plate and the side wall of the separation box forms a carbon ash falling opening. The device reduces energy consumption and has high continuous operation capability, high liquid conversion rate and high working performance.
Description
Technical field
The invention provides a kind of solid heat storage ball heating biomass pyrolysis liquefaction system, belong to the renewable energy utilization technical field.
Background technology
Along with the fast development of China's economy and society, the consumption of petroleum resources is also at rapid growth, and dependence on foreign countries for oil is more and more higher.Meanwhile, use in a large number Greenhouse effect and the environmental pollution that fossil oil causes also to become more and more serious.Biomass pyrolysis liquefaction is one of mode of effectively utilizing biomass energy, its product bio oil can be used as fuel oil and is directly used in the combustion equipment such as boiler, also can be used for oil engine through the improved treatment diesel oil substitute such as shortening and gasoline, can also extract chemical special or that high added value is arranged.Therefore; the technology of promotion and application biomass pyrolysis liquefaction preparing liquid fuel; for making up the China's oil inadequate resource, improving the national energy strategic security, ensure national economy sustainable development and preserve the ecological environment etc. all significant; its economic benefit also will be along with the rising of fuel oil market value and more and more significant, and this technology will have the wide market space.The biomass pyrolytic preparing liquid fuel is also in recent years in the world, the particularly U.S. and European Union member countries, a flourish emerging high-tech industry.The biomass feeding rate that Spain Union Fenosa Utilities Electric Co. set up in 1993 is that the feeding rate that the biomass technology group (BTG) of the thermo-cracking demonstration plant of 200kg/h and Dutch Twente university developed in 2000 is the modified version rotating cone reactor pyrolysis liquefaction technique of 200kg/h, is all the Typical Representative of biomass pyrolysis liquefaction process system.It is domestic that to utilize the novel pyrolytic system of agriculture and forestry organic waste material production bio oil as open (bulletin) number for CN101845314A a kind of and disclose (bulletin) number be also the specific form of biomass pyrolysis liquefaction process system for the system for rapidly pyrolysing and liquefying biomass of CN101531910.Its shortcoming is the waste heat that reaction unit does not utilize heating unit, and heat utilization efficiency is not high, and the powdered carbon collection rate after the biomass reaction is lower.
Summary of the invention
The purpose of this invention is to provide a kind of take solid particulate as thermal barrier, thermal sleeve does reactor and adopts the inertia mode to separate the solid heat storage ball heating biomass pyrolysis liquefaction system of ball and powdered carbon.Its technical scheme is:
a kind of solid heat storage ball heating biomass pyrolysis liquefaction system, comprise the heat-storing sphere heating unit, feeding device, reactor, tripping device, ash bin, pyrolysis gas treatment unit and heat-storing sphere lifting gear, wherein the first heat-storing sphere outlet of heat-storing sphere heating unit is communicated with the opening for feed of reactor through feeding device, the discharge port of reactor is communicated with tripping device, the bottom ash case of tripping device, the pyrolysis gas outlet at tripping device top connects the pyrolysis gas treatment unit, the the second heat-storing sphere outlet that is arranged on tripping device lower end sidewall is communicated with the feeding end of heat-storing sphere lifting gear, the output termination heat-storing sphere heating unit of heat-storing sphere lifting gear, it is characterized in that:
Reactor adopts double tube reactor, the inner and outer tubes that comprise the concentric suit, the open at both ends of inner tube wherein, be communicated with respectively the outlet of feeding device and the entrance of tripping device, the closed at both ends of outer tube, the sidewall of outer tube upper end is provided with hot-blast outlet, and the sidewall of outer tube lower end is provided with the hot blast import, reactor is divided into three parts vertically from top to down: the straight-tube portion of inclination, arc-shaped transition part and the straight-tube portion that tilts, and wherein the axis of two straight-tube portions that tilt is 80～120 degree;
Tripping device comprises separator box and is inclined at the interior sieve plate of separator box, wherein the upper end tilt alpha angle of inner tube bottom self-separation case sidewall probes in separator box, the α angle is 40～60 degree, the Way out that sieve plate is complied with bottom inner tube tilts and is 28～50 degree with level, the lower end of sieve plate connects the bottom surface of the second heat-storing sphere outlet, the upper end of sieve plate is lower than inner tube bottom and probe into the sidewall 300～400mm of separator box apart from inner tube, the whereabouts mouth of the upper end of sieve plate and the sidewall of separator box formation charcoal ash.
Described solid heat storage ball heating biomass pyrolysis liquefaction system, the heat-storing sphere heating unit comprises hotblast stove and interchanger, the hot-blast outlet of an air intake termination outer tube upper end of hotblast stove wherein, the hot blast output termination interchanger of hotblast stove, the first heat-storing sphere outlet of interchanger bottom is communicated with feeding device, the heat-storing sphere entrance on interchanger top is communicated with the output terminal of heat-storing sphere lifting gear, and the air outlet on the interchanger sidewall is communicated with respectively hot blast import or the atmosphere of outer tube upper end through establishing valvular pipeline.
Described solid heat storage ball heating biomass pyrolysis liquefaction system, feeding device comprises duplex solid particle flux valve and biomass powder feeding machine, wherein the duplex solid particle flux valve employing patent No. is the patented technology of 200720160618.X, the material inlet of duplex solid particle flux valve is communicated with the first heat-storing sphere outlet of interchanger bottom, and the material outlet of duplex solid particle flux valve and the outlet of biomass powder feeding machine together are communicated with the entrance on inner tube top.
Described solid heat storage ball heating biomass pyrolysis liquefaction system, the outlet at bottom of tripping device is connected ash bin through the turnover panel seal valve.
its principle of work is: the inner tube that together feeds reactor by heat-storing sphere and the biomass powder in feeding device of heat-storing sphere heating unit heating, the hot blast of heat-storing sphere heating unit output is also sent into the outer tube of reactor, realize biomass with heat-storing sphere 0.1-0.5 ultra short contact time second in be warming up to 500 ℃ of left and right, polymer key in the fracture biomass, make biomass powder pyrolysis in reactor become non-condensable gas, the mixture of bio oil steam and carbon residue, output to tripping device, carry out the charcoal ash by tripping device, separating of heat-storing sphere and pyrolysis gas, the charcoal ash is collected ash bin, pyrolysis gas enters the pyrolysis gas treatment unit and carries out the separating and condensing processing, heat-storing sphere again is transported to the heat-storing sphere heating unit through the heat-storing sphere lifting gear and carries out analgesic, prepare again to utilize.
The present invention compared with prior art, its advantage is:
1, this device adopts the double tube reactor structure, and the heat-storing sphere recycle has been saved energy consumption, improved continuous service ability, excellent working performance.
2, selection of casing formula structure of reactor, simple in structure, and utilized the waste heat of heating plant, improved efficiency of utilization.
3, heat-storing sphere separates with the powdered carbon employing inertia mode after biomass cracking, Ceramic Balls and powdered carbon good separating effect, and the powdered carbon collection rate is high.And all parts in the separation casing are all fixed installations, have stopped because the defective of the difficult sealing that driving member brings is arranged.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
in figure: 1, ash bin 2, pyrolysis gas treatment unit 3, heat-storing sphere lifting gear 4, the first heat-storing sphere outlet 5, pyrolysis gas outlet 6, the second heat-storing sphere outlet 7, inner tube 8, outer tube 9, hot blast import 10, hot-blast outlet 11, separator box 12, sieve plate 13, mouth 14 falls, hotblast stove 15, interchanger 16, heat-storing sphere entrance 17, air outlet 18, valve 19, pipeline 20, duplex solid particle flux valve 21, biomass powder feeding machine 22, turnover panel seal valve 23, heat-storing sphere
Embodiment
In the embodiment shown in fig. 1: reactor adopts double tube reactor, comprises inner tube 7 and the outer tube 8 of concentric suit, and wherein the open at both ends of inner tube 7, be communicated with respectively the outlet of feeding device and the entrance of tripping device; The closed at both ends of outer tube 8, the sidewall of outer tube 8 upper ends is provided with hot-blast outlet 10, and the sidewall of outer tube 8 lower ends is provided with hot blast import 9; Reactor is divided into three parts vertically from top to down: the straight-tube portion of inclination, arc-shaped transition part and the straight-tube portion that tilts, wherein the axis of two straight-tube portions that tilt is 90 degree.
Tripping device comprises separator box 11 and is inclined at sieve plate 12 in separator box 11, and wherein the upper end tilt alpha angle of inner tube 7 bottom self-separation case 11 sidewalls probes in separator box 11, and the α angle is 50 degree; Corresponding with the outlet of inner tube 7, the lower end of separator box 11 another sidewalls is provided with the second heat-storing sphere outlet 6 that is communicated with heat-storing sphere lifting gear 3; The Way out that sieve plate 12 is complied with inner tube 7 bottoms tilts and is 40 degree with level, the lower end of sieve plate 12 connects the bottom surface of the second heat-storing sphere outlet 6, the upper end of sieve plate 12 is lower than inner tube 7 bottoms and probe into the sidewall 350mm of separator box 11 apart from inner tube 7, and the sidewall of the upper end of sieve plate 12 and separator box 11 consists of the whereabouts mouth 13 of charcoal ash; Ash bin 1 is connected through turnover panel seal valve 22 in the bottom of separator box 11, and the pyrolysis gas outlet 5 at top connects pyrolysis gas treatment unit 2.
The heat-storing sphere heating unit comprises hotblast stove 14 and interchanger 15, the hot-blast outlet 10 of air intake termination outer tube 8 upper ends of hotblast stove 14 wherein, the hot blast output termination interchanger 15 of hotblast stove 14; The first heat-storing sphere outlet 4 of interchanger 15 bottoms is communicated with feeding device, the heat-storing sphere entrance 16 on interchanger 15 tops is communicated with the output terminal of heat-storing sphere lifting gear 3, and the pipeline 19 of the air outlet 17 on interchanger 15 sidewalls through being provided with valve 18 is communicated with respectively hot blast import 9 or the atmosphere of outer tube 8 lower ends.
Feeding device comprises duplex solid particle flux valve 20 and biomass powder feeding machine 21, wherein the duplex solid particle flux valve 20 employing patent No.s are the patented technology of 200720160618.X, the material inlet of duplex solid particle flux valve 20 is communicated with the first heat-storing sphere outlet 4 of interchanger 15 bottoms, and the material outlet of duplex solid particle flux valve 20 and the outlet of biomass powder feeding machine 21 together are communicated with inner tube 7 tops.
Claims (3)
1. solid heat storage ball heating biomass pyrolysis liquefaction system, comprise the heat-storing sphere heating unit, feeding device, reactor, tripping device, ash bin (1), pyrolysis gas treatment unit (2) and heat-storing sphere lifting gear (3), wherein the first heat-storing sphere outlet (4) of heat-storing sphere heating unit is communicated with the opening for feed of reactor through feeding device, the discharge port of reactor is communicated with tripping device, the bottom ash case (1) of tripping device, the pyrolysis gas outlet at tripping device top (5) connects pyrolysis gas treatment unit (2), the the second heat-storing sphere outlet (6) that is arranged on tripping device lower end sidewall is communicated with the feeding end of heat-storing sphere lifting gears (3), the output termination heat-storing sphere heating unit of heat-storing sphere lifting gear (3), it is characterized in that:
Reactor adopts double tube reactor, the inner tube (7) and the outer tube (8) that comprise the concentric suit, the open at both ends of inner tube (7) wherein, be communicated with respectively the outlet of feeding device and the entrance of tripping device, the closed at both ends of outer tube (8), the sidewall of outer tube (8) upper end is provided with hot-blast outlet (10), the sidewall of outer tube (8) lower end is provided with hot blast import (9), reactor is divided into three parts vertically from top to down: the straight-tube portion of inclination, arc-shaped transition part and the straight-tube portion that tilts, and wherein the axis of two straight-tube portions that tilt is 80～120 degree;
tripping device comprises separator box (11) and is inclined at the interior sieve plate (12) of separator box (11), wherein the upper end tilt alpha angle of inner tube (7) bottom self-separation case (11) sidewall probes in separator box (11), the α angle is 40～60 degree, sieve plate (12) is complied with the Way out inclination of inner tube (7) bottom, and be 28～50 degree with level, the lower end of sieve plate (12) connects the bottom surface of the second heat-storing sphere outlet (6), the upper end of sieve plate (12) is lower than inner tube (7) bottom, and probe into the sidewall 300～400mm of separator box (11) apart from inner tube (7), the sidewall of the upper end of sieve plate (12) and separator box (11) consists of the whereabouts mouth (13) of charcoal ash.
2. solid heat storage ball as claimed in claim 1 heating biomass pyrolysis liquefaction system, it is characterized in that: the heat-storing sphere heating unit comprises hotblast stove (14) and interchanger (15), the hot-blast outlet (10) of air intake termination outer tube (a 8) upper end of hotblast stove (14) wherein, the hot blast output termination interchanger (15) of hotblast stove (14), the first heat-storing sphere outlet (4) of interchanger (15) bottom is communicated with feeding device, the heat-storing sphere entrance (16) on interchanger (15) top is communicated with the output terminal of heat-storing sphere lifting gear (3), the pipeline (19) of air outlet (17) on interchanger (15) sidewall through being provided with valve (18) is communicated with respectively hot blast import (9) and the atmosphere of outer tube (8) lower end.
3. solid heat storage ball as claimed in claim 1 heating biomass pyrolysis liquefaction system, it is characterized in that: the outlet at bottom of tripping device is connected ash bin (1) through turnover panel seal valve (22).
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| CN2011100968131A CN102206496B (en) | 2011-04-19 | 2011-04-19 | Pyrolysis and liquidation system for heating biomass by using solid heat storage ball |
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| CN102206496B true CN102206496B (en) | 2013-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105199759A (en) * | 2014-06-27 | 2015-12-30 | 李效时 | Biomass liquefaction thermal cracking system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102994123A (en) * | 2012-12-06 | 2013-03-27 | 王子兵 | Solid heat-carrying moving bed biomass pyrolysis device |
| CN105861019B (en) * | 2016-06-12 | 2018-01-19 | 山东理工大学 | A kind of ceramic heat-storing sphere circulating heating type down-comer pyrolysis liquefying systems |
| CN106566568B (en) * | 2016-10-27 | 2019-04-09 | 武汉科技大学 | A kind of dry quenching system residual heat and energy method of comprehensive utilization |
| CN107213852B (en) * | 2017-07-12 | 2023-05-26 | 衢州市鼎盛化工科技有限公司 | Heat exchange reactor and application thereof |
| CN111841451B (en) * | 2020-08-12 | 2024-04-05 | 山东利丰环保科技有限公司 | Urea pyrolysis device and urea pyrolysis method |
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| CN201129482Y (en) * | 2007-12-25 | 2008-10-08 | 山东理工大学 | Duplex solid particle flux valve |
| CN202030708U (en) * | 2011-04-19 | 2011-11-09 | 山东理工大学 | Solid biomass heating pyrolytic liquefaction system with heat storage ball |
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| CN1490380A (en) * | 2002-10-18 | 2004-04-21 | 山东理工大学 | Biomass pyrolysis liquefying systems |
| CN201129482Y (en) * | 2007-12-25 | 2008-10-08 | 山东理工大学 | Duplex solid particle flux valve |
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Cited By (1)
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| CN105199759A (en) * | 2014-06-27 | 2015-12-30 | 李效时 | Biomass liquefaction thermal cracking system |
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