CN106635111A - Novel system for co-producing liquid fuel and biochar by biomass pyrolysis - Google Patents

Novel system for co-producing liquid fuel and biochar by biomass pyrolysis Download PDF

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Publication number
CN106635111A
CN106635111A CN201611030678.XA CN201611030678A CN106635111A CN 106635111 A CN106635111 A CN 106635111A CN 201611030678 A CN201611030678 A CN 201611030678A CN 106635111 A CN106635111 A CN 106635111A
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China
Prior art keywords
slag
liquid fuel
biomass pyrolysis
producing bio
feature
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CN201611030678.XA
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CN106635111B (en
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付鹏
李志合
易维明
蔡红珍
李宁
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Shandong University of Technology
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Shandong University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
    • C10B49/16—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
    • C10B57/10—Drying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1011—Biomass
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

A novel system for co-producing liquid fuel and biochar by biomass pyrolysis belongs to the technical field of utilization of renewable energy sources and comprises a screw reactor, and the screw reactor is connected to a biomass feeder; the system is characterized by also comprising a blast furnace connected to a slag granulator, the slag granulator is connected to the screw reactor, the upper portion of the slag granulator is provided with a slag inlet and a gas outlet, the lower portion of the slag granulator is provided with a slag outlet, the system also comprises a high-speed motor, the high-speed motor is connected with a rotary shaft, the top of the rotary shaft is provided with an arc turnplate, the lower portion of the rotary shaft is provided with a rotary scraper mating with the slag outlet, and a nozzle air pipe is arranged below the arc turnplate. The heat of high-temperature slag is recycled and is made full use, biomass pyrolytic liquefaction is achieved, and the system has good economic and social benefits.

Description

A kind of novel biomass pyrolysis production liquid fuel co-producing bio charcoal system
Technical field
The present invention relates to a kind of novel biomass pyrolysis production liquid fuel co-producing bio charcoal system, belongs to regenerative resource Using technical field.
Background technology
Biomass pyrolysis for liquid production technology is a kind of effectively utilizes mode of biomass energy, and its product is mainly bio oil, It is pyrolyzed carbon residue and a small amount of gas with accessory substance simultaneously.On the one hand, further refining can obtain high added value to bio oil Jing Product, it is also possible to be applied to engine as fuel oil；On the other hand, carbon residue can improve soil texture as bio-feritlizer, Acquisition carbon black can be further processed, is used as tire additive.Thermal cracking liquefying plant main at present mainly has Fluidized-bed reactor, circulating fluid bed reactor, fixed bed reactors, ablation reactor, rotating cone reactor etc., above reaction Device substantially all using quartz sand as heat carrier, inert gas as shielding gas, mainly based on Electric heating, due to cost with And presence the problems such as reactor heat transfer itself causes equipment scale less, is essentially still at conceptual phase.
Steel and iron industry is the important foundation industry of Chinese national economy.China's steel industry is fast since the nineties in 20th century Speed development, crude steel yield reaches 3.52 hundred million tons within 2000, the 31% of world's crude steel yield is accounted for, with the growth of output of steel, steel The total amount that ironworker's industry produces solid waste is more and more, and wherein blast furnace slag accounts for significant proportion, and about 50%.Blast furnace slag waste material has Big calorimetric, is usually at present that blast furnace slag is carried out into quenching, produces vapours, and for warming oneself, remaining whole is wasted, while high Stove grain slag moisture content is up to more than 10%, and if as the raw material of production cement, process must be dried during production, still Consume certain energy.For grain slag system, the workload of power consumption and system maintenance is also very big.Therefore, with High temperature furnace slag is heat carrier, and biomass are raw material, carry out biomass pyrolysis liquefaction, to improving its utilization rate of slag and closing Reason process, and slow down energy crisis and to improve social environment significant.
The content of the invention
It is an object of the invention to provide one kind with high temperature prose style free from parallelism slag as heat carrier, fluid bed for biomass baker and Novel biomass pyrolysis production liquid fuel co-producing bio charcoal system of the helical reactors as pyrolysis reactor.
The present invention adopt concrete technical scheme be：
A kind of novel biomass pyrolysis production liquid fuel co-producing bio charcoal system, including helical reactors, spiral response Device connects biomass feeder, it is characterized in that, also including blast furnace, blast furnace connection slag granulation device, slag granulation device passes through flow Control valve connection helical reactors, the slag granulation device top is provided with slag feeding mouth and gas vent, slag porch peace Equipped with mould, bottom is provided with slag outlet, also including high-speed electric expreess locomotive, high-speed electric expreess locomotive connection rotary shaft, and rotary shaft top sets Arc rotating disk is put, bottom arranges revolving scraper, and revolving scraper coordinates with slag outlet, and nozzle wind is arranged below arc rotating disk Pipe.
Wherein, flow control valve adopts pulling-tray type valve, including baffle plate and screw rod, and by swing handle closing for switch is realized Conjunction degree, working the slag flow.
In the present invention, helical reactors are pyrolysis reactor, and blast furnace produces high-temperature molten-state slag, by slag granulation device For high-temperature molten-state slag granulation to be formed into solid particle, biomass are entered with high temperature furnace slag particle from upper inlet, in stream Mixing contact heat-exchanging is realized during dynamic, pyrolytic reaction is completed, pyrolysis gas flow out from right side top, and carbon residue and slag are under right side Flow out side.
Wherein, helical reactors solid-phase outlet is sequentially connected reprint unloading valve, charcoal and slag collection case by pipeline With charcoal/slag separator.
Wherein, be evenly equipped with airduct in the charcoal and slag collection case, for collecting heat after drawn by high-temperature flue gas Blower fan sends into fluid bed baker；Lower section is equipped with flood dragon, for the discharge of slag and carbon residue.
Wherein, helical reactors are sequentially connected cyclone separator and biological oil condenser by gas phase pipeline, by production Pyrolysis gas are condensed into bio oil.
Wherein, biomass feeder connection fluid bed baker, in slag granulation device hot blast Jing gas-solid separator separation after, There is high-temperature flue gas air-introduced machine to send into fluid bed baker.
Compared with prior art, it is an advantage of the invention that：
1) by slag in combination with biomass pyrolytic, blast furnace utilization mode had both been solved, had improve energy regenerating utilization Efficiency, solves the problems, such as pyrolysis liquefaction energy supply again, reduces bio oil cost.
2) slag granulation gas entrance is provided with mould, it is ensured that slag granules are uniform in size, meanwhile, in slag granulation device Lower section adopts revolving scraper, realizes the collection of high temperature granulated slag, and the second-time breakage process to bulk slag, it is therefore prevented that Impact of the bulk slag to follow-up equipment.
4) by the way of to carbon residue and slag collection case arrangement airduct, waste heat is reclaimed, while poor with pelletizer Raw waste heat, sends into adopt fluid bed together, and biomass are dried with process, has saved biomass early stage pretreatment cost, carries High pyrolysis efficiency.
5) spiral pyrolysis reactor is adopted, the mixing of biomass powder and slag is realized well, while accelerating caloic Transmission efficiency, do not adopt inert gas for carrier gas, it is to avoid pyrolysis gas phosphorus content that the mode such as fluid bed causes is big and cold shock The big problem of load, reduces subsequent processing device cost.
Description of the drawings
Fig. 1 is the equipment flowsheet schematic diagram of the present invention；
Fig. 2 is slag granulation device structural representation；
Fig. 3 is pulling-tray type flow control valve；
In figure, 1- blast furnaces, 2- slag granulation devices, 2-1- slag feeding mouths, 2-2- arc rotating disks, 2-3- nozzle airducts, 2- 4- revolving scrapers, 2-5- high-speed electric expreess locomotives, 2-6- slag outlets, 2-7- gas vents, 3- pulling-tray type flow control valves, 3-1- gears Plate, 3-2- screw rods, 4- helical reactors, 5- reprint unloading valves, 6- charcoals and slag collection case, 7- charcoals/slag is separated Device, 8- high-temperature flue gas air-introduced machines, 9- biomass feeders, 10- cyclone dust collectors, 11- biology oil condensers, 12- three-way valves, 13- fluid bed bakers, 14- high-temperature flue gas air-introduced machines, 15- gas-solid separators.
Specific embodiment
As shown in figure 1,
A kind of blast furnace slag biomass pyrolysis system, including blast furnace 1, the connection slag granulation of blast furnace 1 device 2, slag granulation device 2 leads to The connection helical reactors 4 of pumping board flow control valve 3 are crossed, helical reactors 4 connect biomass feeder 9, and helical reactors 9 pass through Gas phase pipeline is sequentially connected cyclone separator 10 and biological oil condenser 11.
The connection fluid bed of biomass feeder 9 baker 13, hot blast Jing gas-solid separators 15 are separated in slag granulation device 2 Afterwards, high-temperature flue gas air-introduced machine 14 sends into fluid bed baker 13；The solid-phase outlet of helical reactors 4 is sequentially connected by pipeline turns over Version unloading valve 5, charcoal and slag collection case 6 and charcoal/slag separator 7, charcoal and slag collection, 7 are evenly equipped with wind Pipe, for collecting heat after fluid bed baker 13 is sent into by high-temperature flue gas air-introduced machine 8.
As shown in Fig. 2 the top of slag granulation device 2 is provided with the slag feeding mouth 2-1 with mould, and gas vent 2-7, Bottom is provided with slag outlet 2-6, also including high-speed electric expreess locomotive 2-5, high-speed electric expreess locomotive 2-5 connection rotary shafts, and rotary shaft top arranges arc Shape rotating disk 2-2, bottom arranges revolving scraper 2-4, revolving scraper 2-4 and slag outlet 2-6 and coordinates, and slag is crushed and sent into down Operation, arranges nozzle airduct 2-3 below arc rotating disk 2-2.
As shown in figure 3, pulling-tray type flow control valve 3, including baffle plate 3-1 and screw rod 3-2, realize switching by swing handle Closure degree, working the slag flow.

Claims (6)

1. a kind of novel biomass pyrolysis production liquid fuel co-producing bio charcoal system, including helical reactors, helical reactors Connection biomass feeder, is characterized in that, also including blast furnace, blast furnace connection slag granulation device, slag granulation device passes through flow control Valve processed connects helical reactors, and the slag granulation device top is provided with slag feeding mouth and gas vent, and slag porch is installed There is mould, bottom is provided with slag outlet；
Also include high-speed electric expreess locomotive, high-speed electric expreess locomotive connection rotary shaft, rotary shaft top arranges arc rotating disk, and bottom arranges rotation and scrapes Knife, revolving scraper coordinates with slag outlet, and nozzle airduct is arranged below arc rotating disk.
2. a kind of novel biomass pyrolysis according to claim 1 produces liquid fuel co-producing bio charcoal system, its feature It is that the flow control valve adopts pulling-tray type valve.
3. a kind of novel biomass pyrolysis according to claim 1 produces liquid fuel co-producing bio charcoal system, its feature It is that the helical reactors solid-phase outlet is sequentially connected reprint unloading valve, charcoal and slag collection case and biology by pipeline Charcoal/slag separator.
4. a kind of novel biomass pyrolysis according to claim 1 produces liquid fuel co-producing bio charcoal system, its feature That the charcoal and slag collection case are evenly equipped with airduct, for collecting heat after by high-temperature flue gas air-introduced machine send into fluidisation Bed baker.
5. a kind of novel biomass pyrolysis according to claim 1 produces liquid fuel co-producing bio charcoal system, its feature It is that the helical reactors are sequentially connected cyclone separator and biological oil condenser by gas phase pipeline.
6. a kind of novel biomass pyrolysis according to claim 1 produces liquid fuel co-producing bio charcoal system, its feature It is that the biomass feeder connects fluid bed baker, hot blast has high temperature Jing after gas-solid separator separation in slag granulation device Smoke induced draught fan sends into fluid bed baker.
CN201611030678.XA 2016-11-16 2016-11-16 A kind of biomass pyrolytic production liquid fuel co-producing bio charcoal system Active CN106635111B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057200A (en) * 2019-05-22 2019-07-26 昆明理工大学 A kind of flammable solid waste pyrolysis system based on afterheat of slags recycling
CN110368744A (en) * 2019-07-16 2019-10-25 中山市至善生物科技有限公司 A kind of expanding dedusting temperature-reducing tower and apparatus for thermal cleavage
CN112210395A (en) * 2020-09-16 2021-01-12 周文今 Preparation method for preparing clean fuel, carbon powder and heat energy by using agricultural and forestry wastes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080264771A1 (en) * 2005-05-03 2008-10-30 Kim Dam-Johansen Pyrolysis Methods and Apparatus
CN101824499A (en) * 2010-03-19 2010-09-08 昆明阳光基业股份有限公司 Liquid blast furnace slag granulation device and granulation method thereof
CN103396823A (en) * 2013-08-12 2013-11-20 青岛理工大学 Device and method for preparing biomass oil by using waste heat of granulated blast furnace slag

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080264771A1 (en) * 2005-05-03 2008-10-30 Kim Dam-Johansen Pyrolysis Methods and Apparatus
CN101824499A (en) * 2010-03-19 2010-09-08 昆明阳光基业股份有限公司 Liquid blast furnace slag granulation device and granulation method thereof
CN103396823A (en) * 2013-08-12 2013-11-20 青岛理工大学 Device and method for preparing biomass oil by using waste heat of granulated blast furnace slag

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057200A (en) * 2019-05-22 2019-07-26 昆明理工大学 A kind of flammable solid waste pyrolysis system based on afterheat of slags recycling
CN110057200B (en) * 2019-05-22 2024-05-14 昆明理工大学 Combustible solid waste pyrolysis system based on slag waste heat recovery
CN110368744A (en) * 2019-07-16 2019-10-25 中山市至善生物科技有限公司 A kind of expanding dedusting temperature-reducing tower and apparatus for thermal cleavage
CN112210395A (en) * 2020-09-16 2021-01-12 周文今 Preparation method for preparing clean fuel, carbon powder and heat energy by using agricultural and forestry wastes

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