CN101486920A - Biomass fluidization-cyclone ablation rapid pyrolysis reactor - Google Patents
Biomass fluidization-cyclone ablation rapid pyrolysis reactor Download PDFInfo
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- CN101486920A CN101486920A CNA200910009083XA CN200910009083A CN101486920A CN 101486920 A CN101486920 A CN 101486920A CN A200910009083X A CNA200910009083X A CN A200910009083XA CN 200910009083 A CN200910009083 A CN 200910009083A CN 101486920 A CN101486920 A CN 101486920A
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- cyclone
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- pyrogenation
- fluidization
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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 relates to a biomass fluidization-cyclone ablation quick pyrogenation reactor which belongs to the technical field of energy and chemical engineering. The reactor combines with a spouted fluidized bed and proposes new technology combining the secondary feeding and the cyclone separation so as to organically combine the two quick pyrogenation methods of fluidization and cyclone ablation. The biomass fluidization-cyclone ablation quick pyrogenation reactor uses a secondary feeding device to enhance the handling capacity of the biomass quick pyrogenation reactor; the pyrolysis gas produced by pyrogenation is served as carrier gas; and pyrogenation is realized in the cyclone ablation reactor, and implemented by comprehensively using the heat produced during the pyrogenation process. The pyrogenation reactor has the advantages of large material handling capacity, reliable operation, simple structure and low energy consumption.
Description
Technical field
The present invention relates to the processing unit of biomass fast pyrogenation, refer to a kind of fluidization-cyclone ablation double-reactor fast pyrogenation novel appts particularly.Belong to the derived energy chemical technical field.
Background technology
Biomass fast pyrogenation is meant not to be had under oxygen or the anoxybiotic condition fully, adopts medium temperature of reaction (500～650 ℃), high heating rate (10
4～10
5℃/s) lose heart the body residence time (less than 2s) with the utmost point, macromole thermo-cracking in the biomass is become micromolecular process, main pyrolysis product is a pyrolysis oil.It is short that fast pyrogenation mainly has the reaction times, and pyrolysis rate is fast; Raw material particle size is little, heating rate is fast; Middle accurately temperature control; Duan gas residence time characteristics such as (less than 2s) extremely.
In the biomass fast pyrogenation technology, pyrolysis reactor is a key link.Fast pyrolysis reactor can be divided into mechanical contact formula, indirect type and hybrid three classes according to the heat transfer type difference.The principal feature of mechanical contact formula fast pyrolysis reactor is: biological particles is by directly or indirectly contacting with scorching hot reactor surface, and temperature raises fast, makes its pyrolysis, and the mode of heat transmission is mainly thermal conduction in this process.Reactor etc. is bored in common have ablation pyrolysis reactor, rotation.The ablation pyrolysis reactor is early stage typical mechanical contact formula reactor, biological particles tangentially enters reactor under the effect of high speed nitrogen or superheated vapour flow type pump with injection, and by the driving of high speed centrifugation power, thereby on the pyroreaction wall, ablate, realize fast pyrogenation; The principal feature of indirect type fast pyrolysis reactor is: biological particles by carrying out radiation heat transfer with higher reactor wall or the heat radiator of temperature, makes its pyrolysis that is rapidly heated in reactor, the main mode of this process heat transmission is thermal radiation.Representative indirect type fast pyrolysis reactor is the thermal radiation reactor.This reactor adopts xenon lamp as thermal source, can provide one dimension high strength heat to the biological particles in the reactor inner sleeve equably, makes its fast pyrogenation.This class temperature of reactor control is difficulty comparatively, and relatively poor to the restraining effect of secondary reaction, needs special high temperature heat source simultaneously, and this makes practical application be restricted, and only just adopts when the mechanism characteristic research usually; The principal feature of hybrid quick pyrolysis reactor is: biological particles carries out rapid heating by hot gas flow or gas-solid multiphase flow to biological particles in reactor, the main mode of heat transmission is a convective heat exchange.Common have fluidized-bed reactor, injection bed bioreactor, a circulating fluid bed reactor etc. fast.In recent years, fast pyrolysis reactor is carried out many researchs both at home and abroad, obtained bigger progress at reactor performance and aspect reducing cost, but still do not generally believed best fast pyrolysis reactor so far.Therefore, further novel fast pyrolysis reactor research is had important practical significance.
Summary of the invention
The object of the invention is to provide a kind of biomass fluidization-cyclone ablation rapid pyrolysis reactor, with effective increase material treatment capacity, makes full use of energy consumption in the pyrolytic process, improves the productive rate of pyrolysis oil greatly.
The concrete structural design scheme of fast pyrogenation novel appts is as follows:
The present invention is used for biomass fluidization-cyclone ablation rapid pyrolysis reactor, in conjunction with spouted fluidized bed, has proposed the new technology that secondary feeds combines with cyclonic separation, thus fluidization and two kinds of fast pyrogenation modes of cyclone ablation is combined.
Spouted fluidized bed (concrete material and specification are seen utility model patent " the spouted circulating fluid bed Wooden Biomass fast pyrogenation equipment " patent No. 200720151933.6).
The cyclone ablation reactor is that outer wall is wound with heater strip on the basis of conventional cyclonic separator, and at the inlet mouth place secondary feeds device is set, and secondary feeds and cyclonic separation are combined, and realizes the cyclone ablation fast pyrogenation of secondary feeds.The cyclone ablation reactor has two kinds of functions, and the one, have the gas solid separation effect, the 2nd, have the cyclone ablation effect.
The diameter 90mm of described cyclone ablation reactor shell, the width 23mm of inlet mouth cross section, the height 45mm of inlet mouth cross section, the height 45mm of inlet mouth, cone height 200mm, total height 560mm.
Described cyclone ablation reactor vapor pipe diameter 32mm, thick 3mm, depth of penetration 160mm.
Described cyclone ablation reactor carbon removal mouth diameter 25mm.
Described cyclone ablation reactor secondary feeds mouth is arranged on cyclone ablation reactor pyrolysis gas ingress, and is vertical with the pyrolysis gas induction trunk.
Description of drawings
Fig. 1 is structure of reactor figure of the present invention.
The present invention has the following advantages and the progress of outstanding property: 1) spouted fluidized bed bioreactor and whirlwind compared with prior art The ablation reactor combines; 2) adopt the secondary feeds device to increase the treating capacity of biomass rapid pyrolysis reactor; 3) biology The matter particle carries out fast pyrogenation in spouted fluidized bed bioreactor, the pyrolysis gas that pyrolysis produces is as in the cyclone ablation pyrolysis reactor Carrier gas, this carrier gas are carried the biological particles of secondary feeds and realize pyrolysis in the cyclone ablation reactors; 4) fast pyrogenation is effective, Take full advantage of the heat that produces in the fast pyrogenation process.
Embodiment
Below in conjunction with accompanying drawing concrete structure of the present invention and enforcement are further described:
Fig. 1 is the one-piece construction synoptic diagram of the sectional temperature-controlled fluidized bed fast pyrolysis reactor of a kind of biomass provided by the invention, and this device mainly comprises: the 1-inlet mouth; 2-feeding screw (1); The spouted fluidized bed bioreactor of 3-; The 4-Link Port; The 5-venting port; 6-cyclone ablation reactor; 7-feeding screw (2); The 8-heater strip; 9-carbon removal mouth.
Embodiment 1: to be used for treatment capacity 30kg/h larchwood fluidization-cyclone ablation rapid pyrolysis reactor is example, as shown in the figure, its working process is: 1. wood particle is imported material in the spouted fluidized bed bioreactor 3 by feeding screw (1) 2 and is carried out fast pyrogenation; 2. produce pyrolysis steam and enter cyclone ablation reactor 6, as hot carrier gas in this reactor; 3. wood particle is realized fast pyrogenation by feeding screw (2) 7 input cyclone ablation reactors 6; 4. the pyrolysis gas that fluidization-cyclone ablation rapid pyrolysis reactor produces is discharged by venting port 5, and charcoal is collected from carbon removal mouth 9.
Experiment shows that this fluidization-cyclone ablation rapid pyrolysis reactor has increased the processing power of material, makes full use of the heat that produces in the pyrolytic process.As material particular diameter 0.45～0.9mm, 550 ℃ of temperature of reaction, gas flow 15m
3/ h, feeding screw (1) treatment capacity is 25kg/h, and feeding screw (2) treatment capacity is 5kg/h, and the pyrolysis oil productive rate is 64%.
Embodiment 2: to be used for treatment capacity 30kg/h larchwood fluidization-cyclone ablation fast pyrogenation system is example, and as shown in the figure, its working process is with embodiment 1.
Experiment shows that this timber rapid pyrolysis fast pyrogenation satisfies the fast pyrolysis process requirement fully, and efficient is higher.As material particular diameter 0.2～0.45mm, 600 ℃ of temperature of reaction, gas flow 20m
3/ h, the pyrolysis oil color is pale brown look, productive rate is 67%.
Claims (1)
1. biomass fluidization one cyclone ablation rapid pyrolysis reactor in conjunction with spouted fluidized bed, has proposed the new technology that secondary feeds combines with cyclonic separation, thus fluidization and two kinds of fast pyrogenation modes of cyclone ablation is combined.It is characterized in that:
Spouted fluidized bed (concrete material and specification are seen utility model patent " the spouted circulating fluid bed Wooden Biomass fast pyrogenation equipment " patent No. 200720151933.6).
The cyclone ablation reactor is that outer wall is wound with heater strip on the basis of conventional cyclonic separator, and at the inlet mouth place secondary feeds device is set, and secondary feeds and cyclonic separation are combined, and realizes the cyclone ablation fast pyrogenation of secondary feeds.The cyclone ablation reactor has two kinds of functions, and the one, have the gas solid separation effect, the 2nd, have the cyclone ablation effect.
The diameter 90mm of described cyclone ablation reactor shell, the width 23mm of inlet mouth cross section, the height 45mm of inlet mouth cross section, the height 45mm of inlet mouth, cone height 200mm, total height 560mm.
Described cyclone ablation reactor vapor pipe diameter 32mm, thick 3mm, depth of penetration 160mm.
Described cyclone ablation reactor carbon removal mouth diameter 25mm.
Described cyclone ablation reactor secondary feeds mouth is arranged on cyclone ablation reactor pyrolysis gas ingress, and is vertical with the pyrolysis gas induction trunk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910009083XA CN101486920A (en) | 2009-02-17 | 2009-02-17 | Biomass fluidization-cyclone ablation rapid pyrolysis reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910009083XA CN101486920A (en) | 2009-02-17 | 2009-02-17 | Biomass fluidization-cyclone ablation rapid pyrolysis reactor |
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| CNA200910009083XA Pending CN101486920A (en) | 2009-02-17 | 2009-02-17 | Biomass fluidization-cyclone ablation rapid pyrolysis reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624531B (en) * | 2009-08-06 | 2012-08-15 | 东南大学 | Device for preparing bio-oil by utilizing biomass spouted fluidized bed through pyrolysis and fractional condensation |
| CN102925177A (en) * | 2012-10-09 | 2013-02-13 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulating type fluidized bed powdered coal dry distillation device |
| CN107245342A (en) * | 2017-06-26 | 2017-10-13 | 北京神雾电力科技有限公司 | Pyrolysis reactor furnace and its method for pyrolysis |
| CN113025354A (en) * | 2021-03-09 | 2021-06-25 | 山东理工大学 | Self-heating type vertical axial flow roller ablation pyrolysis reaction device |
-
2009
- 2009-02-17 CN CNA200910009083XA patent/CN101486920A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624531B (en) * | 2009-08-06 | 2012-08-15 | 东南大学 | Device for preparing bio-oil by utilizing biomass spouted fluidized bed through pyrolysis and fractional condensation |
| CN102925177A (en) * | 2012-10-09 | 2013-02-13 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulating type fluidized bed powdered coal dry distillation device |
| CN102925177B (en) * | 2012-10-09 | 2014-12-03 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulating type fluidized bed powdered coal dry distillation device |
| CN107245342A (en) * | 2017-06-26 | 2017-10-13 | 北京神雾电力科技有限公司 | Pyrolysis reactor furnace and its method for pyrolysis |
| CN113025354A (en) * | 2021-03-09 | 2021-06-25 | 山东理工大学 | Self-heating type vertical axial flow roller ablation pyrolysis reaction device |
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Application publication date: 20090722 |