CN1181160C - Biomass pyrolysis liquefying systems - Google Patents
Biomass pyrolysis liquefying systems Download PDFInfo
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- CN1181160C CN1181160C CNB021356491A CN02135649A CN1181160C CN 1181160 C CN1181160 C CN 1181160C CN B021356491 A CNB021356491 A CN B021356491A CN 02135649 A CN02135649 A CN 02135649A CN 1181160 C CN1181160 C CN 1181160C
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Abstract
The present invention provides a biomass pyrolysis liquefying system. The upper end of a reaction tube is respectively communicated with a biomass charging mechanism and a heat medium outlet of a heat medium heating device, the bottom of the reaction tube is communicated with a separating device, the upper end of the separating device is connected with a cold shock device, the lower end of the separating device is provided with biomass residual outlet and a heat medium outlet which is communicated with a heat medium collecting box, the reaction tube is zigzag, the input end of an air and gas mixer is respectively connected with the gas outlet of a biomass gasification furnace and the pyrolysis gas of the cold shock device output through a draught fan, the output end of the air and gas mixer is connected with a gas burner which is communicated with a heat medium heating furnace, and a heat medium lifting device is respectively communicated with the heat medium collecting box and the heat medium heating furnace. The device adopts combustible gas generated in the processes of biomass gasification gas and liquefaction as an energy source for pyrolysis and liquefaction, the device also adopts a heat medium circulating technology, heat for heating the heat medium is reduced, total cost of biomass liquefaction is lowered, the structure is reasonable, and the working performance is excellent.
Description
Affiliated technical field
The invention provides a kind of biomass pyrolysis liquefying systems, specifically is the biomass pyrolysis liquefaction device that has thermal barrier circularly enhancing device.
Background technology
With biomass in extremely short time internal heating, cooling, thereby obtain bio oil, charcoal and incondensable gas, this is a kind of technology that adopts fast pyrogenation at present, biomass is carried out energy development.At present, the equipment of existing several types can be used to finish this technology, the bed bioreactor that carries as the GIT of U.S. Georgia Institute of Technology exploitation, the rotation conical shell reactor of Holland Qiao Te university exploitation, the former burns air and propane according to the combustion zone, bottom of stoichiometric ratio introducing reaction tubes, hot flue gas from bottom to top by reaction tubes and and biomass add inlet back mixing at it, biomass are heated, generally speaking, hot flue gas flow should be 4 times of biomass flow, defective is: need a large amount of hot flue gases as carrier gas during operation, and cause the non-condensable gas calorific value low; Though the latter's oil yield rate is high, do not need carrier gas, complete assembly energy consumption height when moving.At the problems referred to above, we develop and have declared utility model patent: quickly thermolyzing and liquefying apparatus for centrifugal separated biomass, comprise biomass hopper, thermal barrier loader, pyrolysis vapour passage, power input shaft, shell, it is characterized in that: be connected to a thermal decomposition tube that vertically is provided with biomass hopper and thermal barrier loader, in the enclosure, the below of thermal decomposition tube, be connected to a rotation with power input shaft and separate impeller, be provided with two ring grooves in the bottom of shell, in ring groove, be provided with scraping plate mechanism.This device does not need inert carrier gas, device structure and operational conditions are all fairly simple, power consumption is low, defective is: 1 but do not relate to the recovery problem of the thermal barrier energy of the recovery problem of the inflammable gas that produces in the heating of thermal barrier and the liquefaction process and the after heat of heating biomass, the total cost of biomass liquefying awaits reducing, and the continuity of its rate of energy, biomass pyrolysis liquefaction awaits further raising; 2, reaction tubes is the straight vertical wire, thermal barrier and biomass residence times within it is short, under equal height the pyrolysis time of biomass in reaction tubes short, can not thorough mixing, the utilization ratio of thermal source and the efficient of biomass pyrolysis liquefaction have been influenced, the thermal expansion of reaction tubes also has certain destructive force to whole biomass liquid fuel converting system in pyrolytic process simultaneously, and its serviceability needs further improvement.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, can improve rate of energy, guarantee the successional biomass pyrolysis liquefying systems of biomass pyrolysis liquefaction.Its technical scheme is:
Comprise the biomass charging mechanism, the thermal barrier heating unit, reaction tubes, tripping device, induced draft fan and cold shock device, wherein the upper end of reaction tubes is communicated with the heating medium outlet of biomass charging mechanism and thermal barrier heating unit respectively, its bottom is communicated with tripping device, the last termination cold shock device of tripping device, its lower end is provided with the remaining outlet of biomass and is communicated with the heating medium outlet of thermal barrier collection box, it is characterized in that: reaction tubes is " Z " font, the thermal barrier heating unit comprises biomass gasifying furnace, air and gas mixer, gas burner, thermal medium boiler, the input terminus of the air and gas mixer gas exit of gasification substance stove and cold shock device the pyrolysis gas of delivering a child respectively wherein through induced draft fan output, output termination gas burner, gas burner is communicated with thermal medium boiler, the bottom of thermal medium boiler is communicated with reaction tubes, set up the thermal barrier lifting gear, be communicated with thermal barrier collection box and thermal medium boiler respectively.
Described biomass pyrolysis liquefying systems is provided with some vertical heated air flues in the thermal medium boiler, the one end is that input terminus is communicated with gas burner, and the other end is communicated with smoke-uptake, is provided with air preheater in the smoke-uptake.
Described biomass pyrolysis liquefying systems, the trend of reaction tubes and the angle of vertical direction are at 5～75 °
Described biomass pyrolysis liquefying systems, the last termination induced draft fan of cold shock device, the output terminal of induced draft fan connects the input terminus of air and gas mixer through the pyrolysis feed channel.
Described biomass pyrolysis liquefying systems, the thermal barrier lifting gear adopts chapelet, comprise and a pair ofly can regulate cogging and lower gear, chain between the two, being fixed on the some hoppers on the chain and being seated in enhancing tube on the thermal barrier collection box of tensile force, wherein lower gear is installed in the bottom of enhancing tube, the hopper that runs to lower gear bottom probes in the thermal barrier collection box, cogging is installed in the upper end of enhancing tube inside, and the output shaft of its gear shaft and motor is fixedly connected.
Described biomass pyrolysis liquefying systems, the upper end of reaction tubes is communicated with the outlet of biomass charging mechanism, and its top is communicated with through the outlet of flowrate control valve with the thermal medium boiler bottom.
The present invention compared with prior art has following advantage:
1, the inflammable gas that produces in employing gasifying biomass coal gas and the liquefaction process utilizes the low-quality energy to produce high-quality fuel as the energy of pyrolysis liquefaction, has not only made full use of energy, has also reduced the total cost of biomass liquefying simultaneously;
2, after the pyrolysis thermal barrier of crossing biomass is recovered in the thermal barrier collection box, 300～400 ℃ surplus temperature is still arranged, by the thermal barrier lifting gear, can automatically the thermal barrier in the thermal barrier collection box be transported in the thermal medium boiler, continue heating and use, reduced thermal barrier heating institute heat requirement, improved rate of energy, improve working conditions, better guaranteed the continuity of biomass pyrolysis liquefaction;
3, be different from fluidized bed pyrolysis liquefaction, the liquefaction of rotation awl, vacuum liquefaction technology, because main reaction is carried out in reaction tubes, just can change working ability by adjustment pipe sizing, change feed parameter, and reaction tubes is " Z " font, the one, reduced system height, the pyrolysis time of biomass in reaction tubes is long, fully under the equal height, improve the degree of mixing of thermal barrier and biomass, be to have eliminated in pyrolytic process again because of the influence of reaction tubes thermal expansion to whole biomass liquid fuel converting system, excellent working performance;
4, simple in structure, the processing technology of system is required lower, overall cost is cheap, and easy care, operation, and is easy to utilize.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation that gas burner and thermal medium boiler amplify in the embodiment of the invention;
Fig. 3 is an A-A sectional view embodiment illustrated in fig. 2.
Embodiment
1, biomass charging mechanism 2, thermal medium boiler 3, flowrate control valve 4, reaction tubes 5, tripping device 6, the remaining outlet 7 of biomass, heating medium outlet 8, pyrolysis vapour passage 9, cold shock device 10, storage tank 11, tornado dust collector 12, the remaining collection box 13 of biomass, oil outlet pipe 14, induced draft fan 15, pyrolysis feed channel 16, air and gas mixer 17, biomass gasifying furnace 18, gas burner 19, air preheater 20, heated air flue 22, smoke-uptake 23, thermal barrier collection box 24, lower gear 25, cog 26, chain 27, hopper 28, enhancing tube 29, base 30, outlet
Among the embodiment shown in Fig. 1～3: reaction tubes 4 is " Z " font, the trend of its pipe and the angle of vertical direction are 45 °, the upper end of reaction tubes 4 is communicated with the outlet of biomass charging mechanism 1, its top is communicated with through the outlet of flowrate control valve 3 with thermal medium boiler 2 bottoms, the bottom of reaction tubes 4 is communicated with tripping device 5, the bottom of tripping device 5 is provided with the remaining outlet 6 of the biomass that are communicated with the remaining collection box 12 of biomass and is communicated with the heating medium outlet 7 of thermal barrier collection box 23, its upper end connects tornado dust collector 11 through pyrolysis vapour passage 8, the bottom output terminal of the tornado dust collector 11 remaining collection box 12 of material of delivering a child, its top output terminal connects cold shock device 9 through pyrolysis vapour passage 8 equally, be used to export pyrolysis steam, the lower end of cold shock device 9 is communicated with storage tank 10 through oil outlet pipe 13, termination induced draft fan 14 on it, the output terminal of induced draft fan 14 connects the input terminus of air and gas mixer 16 through pyrolysis feed channel 15, the gas exit of another input termination gasification substance stove 17 of air and gas mixer 16, its output termination gas burner 18, gas burner 18 is communicated with some vertical heated air flue 20 of setting in the thermal medium boiler 2, the other end of heated air flue 20 is communicated with smoke-uptake 22, be provided with air preheater 19 in the smoke-uptake 22, be used to provide gas burner 18 burning warm airs, so just realized adopting the inflammable gas that produces in gasifying biomass coal gas and the liquefaction process the energy as pyrolysis liquefaction, utilize the low-quality energy to produce high-quality fuel, not only made full use of energy, improve rate of energy, also reduced the total cost of biomass liquefying simultaneously.The thermal barrier lifting gear adopts chapelet, comprise a pair of can regulate tensile force cog 25 and lower gear 24, chain 26 between the two, be fixed on some hoppers 27 and the enhancing tube 28 that is seated on the thermal barrier collection box 23 on the chain 26, wherein thermal barrier collection box 23 is seated on the base 29, lower gear 24 is installed in the bottom of enhancing tube 28, the hopper 27 that runs to lower gear 24 bottoms probes in the thermal barrier collection box 23,25 upper ends that are installed in enhancing tube 28 inside cog, and the tension force between the lower gear 24 is adjustable, and its gear shaft is fixedly connected as the output shaft of power shaft and motor.During the work of thermal barrier lifting gear, motor through its output shaft so that drive upper and lower gear and chain 26 on some hoppers 27 along chain 26 running, taking a hopper 26 is example, when it runs to the bottom of lower gear 24, hopper 27 probes in the thermal barrier of thermal barrier collection box 23, along with the running of chain 26 is risen, hopper 27 carries the thermal barrier rising that biomass are crossed in pyrolysis, wait to turn over and cog at 25 o'clock, its hopper up just changes into downwards for 27 mouthfuls, send thermal barrier back to thermal medium boiler 2 through exporting 30 by centrifugal inertia, continue heating and use.So just reduce thermal barrier heating institute heat requirement, improved rate of energy, improved working conditions, better guaranteed the continuity of biomass pyrolysis liquefaction.
Claims (6)
1, a kind of biomass pyrolysis liquefying systems, comprise biomass charging mechanism (1), the thermal barrier heating unit, reaction tubes (4), tripping device (5), induced draft fan (14) and cold shock device (9), wherein the upper end of reaction tubes (4) is communicated with the heating medium outlet of biomass charging mechanism (1) and thermal barrier heating unit respectively, its bottom is communicated with tripping device (5), the last termination cold shock device (9) of tripping device (5), its lower end is provided with remaining outlets of biomass (6) that are communicated with the remaining collection boxs of biomass (12) and the heating medium outlet (7) that is communicated with thermal barrier collection box (23), it is characterized in that: reaction tubes (4) is " Z " font, the thermal barrier heating unit comprises biomass gasifying furnace (17), air and gas mixer (16), gas burner (18) and thermal medium boiler (2), the input terminus of air and gas mixer (16) gas exit of gasification substance stove (17) and cold shock device (9) the pyrolysis gas of delivering a child respectively wherein through induced draft fan (14) output, output termination gas burner (18), gas burner (18) is communicated with thermal medium boiler (2), the bottom of thermal medium boiler (2) is communicated with reaction tubes (4), set up the thermal barrier lifting gear, be communicated with thermal barrier collection box (23) and thermal medium boiler (2) respectively.
2, biomass pyrolysis liquefying systems as claimed in claim 1, it is characterized in that: be provided with some vertical heated air flues (20) in the thermal medium boiler (2), the one end is that input terminus is communicated with gas burner (18), the other end is communicated with smoke-uptake (22), is provided with air preheater (19) in the smoke-uptake (22).
3, biomass pyrolysis liquefying systems as claimed in claim 1 is characterized in that: the trend of reaction tubes (4) and the angle of vertical direction are at 5～75 °.
4, biomass pyrolysis liquefying systems as claimed in claim 1 is characterized in that: the last termination induced draft fan (14) of cold shock device (9), the output terminal of induced draft fan (14) connect the input terminus of air and gas mixer (16) through pyrolysis feed channel (15).
5, biomass pyrolysis liquefying systems as claimed in claim 1, it is characterized in that: the thermal barrier lifting gear adopts chapelet, comprise and a pair ofly can regulate cogging (25) and lower gear (24) of tensile force, chain between the two (26), be fixed on the some hoppers (27) on the chain (26) and be seated in enhancing tube (28) on the thermal barrier collection box (23), wherein lower gear (24) is installed in the bottom of enhancing tube (28), the hopper (27) that runs to lower gear (24) bottom probes in the thermal barrier collection box (23), cog (25) be installed in the inner upper end of enhancing tube (28), the output shaft of its gear shaft and motor is fixedly connected.
6, biomass pyrolysis liquefying systems as claimed in claim 1 is characterized in that: the upper end of reaction tubes (4) is communicated with the outlet of biomass charging mechanism (1), and its top is communicated with through the outlet of flowrate control valve (3) with thermal medium boiler (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021356491A CN1181160C (en) | 2002-10-18 | 2002-10-18 | Biomass pyrolysis liquefying systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021356491A CN1181160C (en) | 2002-10-18 | 2002-10-18 | Biomass pyrolysis liquefying systems |
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| CN1490380A CN1490380A (en) | 2004-04-21 |
| CN1181160C true CN1181160C (en) | 2004-12-22 |
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| CNB021356491A Expired - Lifetime CN1181160C (en) | 2002-10-18 | 2002-10-18 | Biomass pyrolysis liquefying systems |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1962818B (en) * | 2005-11-08 | 2010-09-22 | 李效时 | Process for preparing bio-oil by using rapid thermal cleavage technology |
| CN100340637C (en) * | 2005-12-31 | 2007-10-03 | 华中科技大学 | Mobile biomass liquefaction system |
| CN101984019B (en) * | 2010-10-26 | 2011-09-21 | 西峡龙成特种材料有限公司 | Gravity-pushed coal-material decomposing device |
| CN102206496B (en) * | 2011-04-19 | 2013-06-19 | 山东理工大学 | Pyrolysis and liquidation system for heating biomass by using solid heat storage ball |
| CN103396821A (en) * | 2013-07-23 | 2013-11-20 | 浙江工业大学 | Cracking reaction device and method of preparing biological oil based on bagasse quick cracking |
| CN103497776B (en) * | 2013-09-09 | 2016-01-13 | 山东理工大学 | Thermal barrier self-circulation heating-type agriculture and forestry organic waste material pyrolysis liquefying systems |
| CN105885887A (en) * | 2016-06-16 | 2016-08-24 | 陈为国 | Dry distillation system for resource utilization of household garbage and dry distillation method |
| CN106753479B (en) * | 2016-12-26 | 2021-02-26 | 山东理工大学 | Method for treating lignocellulose by coupling biogas fermentation and rapid pyrolysis with poly-generation |
| CN106753482B (en) * | 2017-01-18 | 2019-09-10 | 武汉大学 | A kind of biomass pyrolytic-catalytic cracking preparing aromatic hydrocarbon integrated reacting device and application method |
| CN113122295A (en) * | 2021-04-19 | 2021-07-16 | 山东理工大学 | Self-heating type solid heat carrier circulation downcomer combined pyrolysis device |
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2002
- 2002-10-18 CN CNB021356491A patent/CN1181160C/en not_active Expired - Lifetime
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Granted publication date: 20041222 |