CN103396823A - Device and method for preparing biomass oil by using waste heat of granulated blast furnace slag - Google Patents
Device and method for preparing biomass oil by using waste heat of granulated blast furnace slag Download PDFInfo
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- CN103396823A CN103396823A CN2013103492249A CN201310349224A CN103396823A CN 103396823 A CN103396823 A CN 103396823A CN 2013103492249 A CN2013103492249 A CN 2013103492249A CN 201310349224 A CN201310349224 A CN 201310349224A CN 103396823 A CN103396823 A CN 103396823A
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- 239000002893 slag Substances 0.000 title claims abstract description 60
- 239000002028 Biomass Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims description 47
- 239000012075 bio-oil Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 15
- 238000000197 pyrolysis Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000571 coke Substances 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000002309 gasification Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007908 dry granulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001722 flash pyrolysis Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229940059936 lithium bromide Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a device and a method for preparing biomass oil by using waste heat of blast furnace granulated slag. The technical scheme of the invention furthest utilizes a large amount of waste heat rich in the high-temperature granulated slag to prepare the biomass oil, provides free energy for the production of the biomass energy, can provide sufficient heat energy, reduces the production cost of biomass liquefaction by recycling the waste heat, solves the main bottleneck restricting the industrial production of the biomass energy at present, and effectively solves the difficult problem restricting the industrialization of the biomass fuel, namely the overhigh production cost of the biomass fuel.
Description
Technical field
The invention belongs to and produce the bio-oil field, be specifically related to a kind of apparatus and method of utilizing granulated blast-furnace slag waste heat to produce bio-oil.
Background technology
Traditional biomass pyrolysis for liquid production technique, the electrically heated of need to using provides energy to make biological particles reach by lesser temps the high temperature that pyrolysis needs at short notice as thermal source, simultaneously, the drying of biomass material, coolingly also needs to consume certain energy.Research shows, every production 1kg bio-oil (calorific value is 5000kcal/kg approximately) needs to consume the approximately heat of 600kcal.If adopt conventional energy resources such as mineral substance fuel, electric energy etc., increased the production cost of biomass energy, cause simultaneously new pollution.In the biomass energy production process, consume energy excessive, production cost is high, is the Main Bottleneck of restriction biomass energy suitability for industrialized production and application.
The metallurgical production energy consumption accounts for more than 20% of Chinese national economy total energy consumption.Take byproduct blast furnace slag that iron-making production was produced as example, 1 ton of pig iron of every production is wanted the blast furnace slag of 0.3～0.6 ton of 1350 ℃ of left and right of by-product, approximately contains 7 * 10
5The sensible heat of kJ.All adopt at present flush slag technique to reclaim slag both at home and abroad, this mode is the waste of thermal resources and water resources in a large number not only, and the flush slag art production process also can produce SO
2And H
2The obnoxious flavoures such as S, cause environmental pollution.
Utilize granulated blast-furnace slag waste heat to produce biomass liquid fuel by pyrolytic technique, for the utilization of China's blast furnace slag waste heat and acceleration realize that bio-energy industry melts, ward off an effective way.
Summary of the invention
A kind of apparatus and method of utilizing granulated blast-furnace slag waste heat to produce bio-oil have been the purpose of this invention is to provide; the present invention utilizes the granulated blast-furnace particle to carry particle as the heat of gasifying biomass and produces bio-oil by the lysed biomass particle; the present invention can take full advantage of the waste heat of high temperature grain slag and produce bio-oil; saved cost; be applicable to large-scale industrialization production, have good market application foreground.
For achieving the above object, the present invention adopts following technical proposals to be achieved:
A kind of device that utilizes granulated blast-furnace slag waste heat to produce bio-oil; it comprises pelletizer, the blower fan that is connected with pelletizer and rotating cone reactor; described rotating cone reactor is provided with opening for feed, air outlet and discharge port; the air outlet of described rotating cone reactor is connected with the first separator and condenser in turn; the discharge port of described rotating cone reactor is connected with the second separator and interchanger in turn; the high-temperature steam that described interchanger produces drives refrigerator work, and described refrigerator is connected with condenser with pipeline by water pump.
Further, be provided with the first motor that drives the pelletizer rotation in described pelletizer, described rotating cone reactor has the second motor of rotating cone reactor rotation.
Further, described condenser also is connected with the storage tank that stores bio-oil.
Further, described refrigerator is the lithiumbromide unit.
Further, described pelletizer is connected with interchanger by the pipeline of transmission high-temperature flue gas.
The present invention also provides the method for utilizing described device to produce bio-oil, and it comprises the following steps:
(1) the blast furnace molten slag of 1400-1550 ℃ of discharging enters in pelletizer, and blower fan is blown into freezing air in pelletizer, and it is the solid-state blast furnace slag particle of 800-1000 ℃ that molten slag is granulated into particle diameter 2-3mm, temperature;
Biomass are broken into the biological particles of particle diameter 1-2mm;
(2) will scatter and disappear temperature after the part heat becomes ratio that the described solid-state blast furnace slag particle of 650-750 ℃ and biological particles are 1.5-3:1 according to mass ratio and is conveyed into rotating cone reactor and mixes, biological particles is generated Pyrolysis Gas From Biomass by quick pyrolysis gasification, and solid-state blast furnace slag particle generates coke and slag granules;
(3) described Pyrolysis Gas From Biomass enters condenser after described the first separator separates, obtain bio oil after quick cooling, the waste heat of described interchanger absorption furnace solid impurity particle produces high-temperature steam and drives refrigerator work, refrigerator is condensed into water of condensation with high-temperature steam, and water of condensation flows into condenser in order to cooling bio-oil through water pump.
Further, described interchanger also absorbs the high-temperature flue gas driving refrigerator work that pelletizer produces.
Further, described biological particles enters rotating cone reactor after hot blast carries out drying and preheating.
Further, described biological particles is stalk, pine.
Compared with prior art; advantage of the present invention and positively effect are: at first the present invention carries out granulation with blast furnace slag; mix with biological particles; enter in rotating cone reactor and carry out heat scission reaction; its product filters out slag granules and coke through cyclonic separator; gaseous product enters in condenser and is condensed into bio oil; condensable gases is not as the carrier gas recycle; afterheat of slags after separation further is used to produce steam driven lithium bromide absorbing type refrigeration device, and the cold of generation is for the quick cooling biomass gas of condenser.Produced simultaneously blast furnace slag can be used as the cement raw material of high-quality, the coke recoverable.
The present invention is used the blast furnace slag granulation particle as thermal barrier, has the advantages that temperature is high, heat storage capacity is strong, in the biomass liquefying process, biomass flash pyrolysis can be formed bio-oil.
The present invention is becoming liquid blast furnace slag granulation the solid granulates process, employing be the dry granulation technology, with existing flush slag technique first than, avoid causing water resource waste and SO
2And H
2The discharging of the obnoxious flavoures such as S.
High temperature air after cyclonic separation also can be used for dry and preheating biological particles, is used for heating and carries the high temperature furnace slag particle, and technique of the present invention does not produce noxious gas emission.
Technical scheme of the present invention maximally utilises a large amount of waste heats that the pyrometallurgy slag is rich in and produces bio-oil, for the production of biomass energy provides " freely " energy, and can provide sufficient heat energy, the recycling of waste heat has also reduced the production cost of biomass liquefying, solve the Main Bottleneck of restricting current biomass energy suitability for industrialized production, efficiently solved the difficult problem of too high this its industrialization of restriction of biomass fuel production cost.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, it is clearer that the other features and advantages of the invention will become.
Description of drawings
Fig. 1 is structure and the process flow sheet of producing the bio-oil device of the present invention, wherein 1. blast furnaces, 2. pelletizer, 3. the first motor, 4. blower fan, 5. rotating cone reactor, 6. the second motor, 7 interchanger, 8 lithiumbromide units, 9 water pumps, 10 condensers, 11 first separators, 12 second separators, 13 storage tank, 14. slag chutes.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Embodiment 1
One, the device of producing bio-oil of the present invention
Of the present inventionly utilize apparatus structure that granulated blast-furnace slag waste heat produces bio-oil as shown in Figure 1; described device comprises pelletizer 2, the blower fan 4 that is connected with pelletizer 2 and rotatable rotating cone reactor 5; described rotating cone reactor 5 is provided with the opening for feed of upper end, the air outlet of upper end and the discharge port of lower end; the air outlet of described rotating cone reactor is connected with the first separator 11 and condenser 10 in turn, and described condenser 10 also is connected with the storage tank 13 that stores bio-oil.
The discharge port of described rotating cone reactor is connected with the second separator 12 and interchanger 7 in turn; described pelletizer 2 is connected with interchanger 7 by the pipeline of transmission high-temperature flue gas; described interchanger 7 absorbs the heat through the high-temperature flue gas of the waste heat of the second isolated slag granules of separator and pelletizer generation; thereby produce high-temperature steam and drive refrigerator work, refrigerator described in the present embodiment is lithiumbromide unit 8.Described refrigerator 8 is connected with condenser 10 with pipeline by water pump 9.
Be provided with the first motor 3 that drives the pelletizer rotation in described pelletizer 2, described rotating cone reactor 5 has the second motor 6 of rotating cone reactor rotation.
Two, utilize device of the present invention to produce the method for bio-oil
As shown in Figure 1, the method for utilizing device of the present invention to produce bio-oil comprises the following steps:
1, the molten slag of 1450 ℃ of left and right of blast furnace 1 discharge flows in pelletizers 2 through slag chute 14, pelletizer 2 is high speed rotating under the drive of the first motor 3, rotating speed is 2500 rev/mins, with the molten slag granulation that flows into, spheroidal particle after granulation is blown into by blower fan 4 in flight course freezing air solidifies, and forms the high-temperature solid blast furnace slag particle of particle diameter 2mm, temperature 800-1000 ℃;
Simultaneously biomass are broken into the biological particles of particle diameter 1-2mm, and utilize hot blast that external source hot blast or systemic circulation produce with biological particles drying and preheating.
2, described solid-state blast furnace slag particle is admitted to rotating cone reactor 5 inside together as thermal barrier and biological particles, rotating cone reactor 5 high speed rotating under the drive of the second motor 6 makes biological particles and thermal barrier rise along spiral curve, both fully mix, biological particles, by cracking fast, mainly forms coke, condensable gases, three kinds of products of non-condensable gases; Solid-state blast furnace slag particle generates coke and slag granules.
3, a part of product-gas after thermo-cracking produces derives and enters the first separator 11(cyclonic separator from the air outlet of rotating cone reactor through delivery line) revolve minute after, through condenser 10 condensations, condensable gas becomes bio-oil, is transported to storage tank 13 through pipeline and preserves.
The lower slag granules of another part product-coke after thermo-cracking produces and temperature is through the second separator 12(cyclonic separator) obtain coke and slag granules after revolving minute; The waste heat of the slag granules after interchanger 7 absorbs high-temperature flue gas that liquid slag granulating processes produce and separator 12 and revolves minute; produce high-temperature steam for driving refrigerator (lithiumbromide unit 8) work, the water coolant that lithiumbromide unit 8 produces delivers into condenser 10 through water pump 9 and is used for cooling condensable gases formation bio-oil.Slag in this process after interchanger 7 heat exchange can be used as the cement raw material of high-quality, and the flue gas after heat exchange is used for the grain slag particle after revolving minute curing coke is recovered utilization.
Three, the also impact of confirmatory reaction temperature on the biomass pyrolytic oil yield rate by experiment of the present invention
The principal element that affects the biomass through pyrolysis process comprises chemistry and physics two broad aspect.Chemical factor comprise series of complex once with the secondary chemical reaction; Physical factor is mainly the physical property of heat transfer, mass transfer and raw material in reaction process etc.According to different processing condition, thermal cracking processes can be controlled by chemical factor and physical factor.Generally believe, the greatest factor that affects biomass through pyrolysis process and product composition is temperature of reaction, the gas phase residence time, particle size, biomass kind etc., and different factors are not independent action in the biomass through pyrolysis process, often intersect, as the temperature rise rate that reduces to accelerate particle of particle diameter, so should consider the impact that duty parameter causes biomass through pyrolysis comprehensively.The present invention mainly verifies the impact of temperature on the biomass pyrolytic oil yield rate.
Temperature reacts lower than 400 ℃ of biomass through pyrolysis carry out very slow, and split product is mainly charcoal and non-condensable gas, so temperature of reaction is since 450 ℃.
The impact of table 1 differing temps on the biomass produce oil
Can find out from the experimental result of table 1, in the temperature range of 450-600 ℃, the output of bio oil first increases with the rising of temperature, reaches after maximum value again continuation with temperature and raises and reduce, and the output of gas raises and increases with temperature; During higher than 500 ℃, gas becomes primary product when temperature.Therefore, if want oil yield rate maximum, the temperature of biomass through pyrolysis selection is generally at 500 ℃.
In the process of blast furnace slag and biomass heat exchange; have calorific loss; according to the heat and mass rule, the blast furnace slag particle temperature that enters rotating cone reactor should be than the high 150-200 ℃ of biomass pyrolytic temperature, so the blast furnace slag particle temperature that enters rotating cone reactor after granulation is selected 650-750 ℃.
Above embodiment is only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment, the present invention is had been described in detail, for the person of ordinary skill of the art, still can modify to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the present invention's technical scheme required for protection.
Claims (9)
1. device that utilizes granulated blast-furnace slag waste heat to produce bio-oil; it is characterized in that: it comprises pelletizer, the blower fan that is connected with pelletizer and rotating cone reactor; described rotating cone reactor is provided with opening for feed, air outlet and discharge port; the air outlet of described rotating cone reactor is connected with the first separator and condenser in turn; the discharge port of described rotating cone reactor is connected with the second separator and interchanger in turn; the high-temperature steam that described interchanger produces drives refrigerator work, and described refrigerator is connected with condenser with pipeline by water pump.
2. the device that utilizes granulated blast-furnace slag waste heat to produce bio-oil according to claim 1; it is characterized in that: be provided with the first motor that drives the pelletizer rotation in described pelletizer, described rotating cone reactor has the second motor of rotating cone reactor rotation.
3. the device that utilizes granulated blast-furnace slag waste heat to produce bio-oil according to claim 1 is characterized in that: described condenser also is connected with the storage tank that stores bio-oil.
4. the device that utilizes granulated blast-furnace slag waste heat to produce bio-oil according to claim 1, it is characterized in that: described refrigerator is the lithiumbromide unit.
5. the device that utilizes granulated blast-furnace slag waste heat to produce bio-oil according to claim 1 is characterized in that: described pelletizer is connected with interchanger by the pipeline of transmission high-temperature flue gas.
6. utilize the described device of claim 1-5 any one to produce the method for bio-oil, it is characterized in that it comprises the following steps:
(1) the blast furnace molten slag of 1400-1550 ℃ of discharging enters in pelletizer, and blower fan is blown into freezing air in pelletizer, and it is the solid-state blast furnace slag particle of 800-1000 ℃ that molten slag is granulated into particle diameter 2-3mm, temperature;
Biomass are broken into the biological particles of particle diameter 1-2mm;
(2) will scatter and disappear temperature after the part heat becomes ratio that the described solid-state blast furnace slag particle of 650-750 ℃ and biological particles are 1.5-3:1 according to mass ratio and is conveyed into rotating cone reactor and mixes, biological particles is generated Pyrolysis Gas From Biomass by quick pyrolysis gasification, and solid-state blast furnace slag particle generates coke and slag granules;
(3) described Pyrolysis Gas From Biomass enters condenser after described the first separator separates, obtain bio oil after quick cooling, the waste heat of described interchanger absorption furnace solid impurity particle produces high-temperature steam and drives refrigerator work, refrigerator is condensed into water of condensation with high-temperature steam, and water of condensation flows into condenser in order to cooling bio-oil through water pump.
7. the method for producing bio-oil according to claim 6 is characterized in that: described interchanger also absorbs the high-temperature flue gas that pelletizer produces and drives refrigerator work.
8. the method for producing bio-oil according to claim 6, it is characterized in that: described biological particles enters rotating cone reactor after hot blast carries out drying and preheating.
9. the method for producing bio-oil according to claim 6, it is characterized in that: described biological particles is stalk, pine.
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| CN201310349224.9A CN103396823B (en) | 2013-08-12 | 2013-08-12 | Method for preparing biomass oil by using waste heat of granulated blast furnace slag |
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| CN103396823B CN103396823B (en) | 2015-06-17 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192799A (en) * | 2014-08-15 | 2014-12-10 | 重庆科技学院 | Device for preparing hydrogen-rich gas by gasifying biomass under catalysis of high-temperature metallurgical slag particles and method |
| CN105524635A (en) * | 2016-01-19 | 2016-04-27 | 青岛理工大学 | Synchronous technology for recycling plastics and harmlessly treating chromium slag by using waste heat of steel slag |
| CN105542859A (en) * | 2016-01-19 | 2016-05-04 | 青岛理工大学 | Technology for recycling biomass and producing high-quality fuel gas by using waste heat of blast furnace slag |
| CN105542818A (en) * | 2016-01-19 | 2016-05-04 | 青岛理工大学 | Synchronization technology for recycling sludge and harmlessly treating chromium slag by using steel slag waste heat |
| CN105567342A (en) * | 2015-12-22 | 2016-05-11 | 重庆大学 | Device and method of utilizing blast furnace slag as heat carrier to prepare biomass oil |
| CN105567327A (en) * | 2016-02-25 | 2016-05-11 | 青岛理工大学 | Method for preparing hydrogen-rich fuel gas by gasifying high-humidity sludge based on blast furnace slag waste heat recovery |
| CN105642654A (en) * | 2016-01-19 | 2016-06-08 | 青岛理工大学 | Synchronization technology for recycling sludge and harmless chromium slag by using waste heat of blast furnace slag |
| CN105647584A (en) * | 2016-01-19 | 2016-06-08 | 青岛理工大学 | Technology for recycling biomass and harmlessly treating chromium slag by using waste heat of blast furnace slag |
| CN105728425A (en) * | 2016-01-19 | 2016-07-06 | 青岛理工大学 | Synchronization technology for recycling biomass and harmlessly treating chromium slag by using steel slag waste heat |
| CN105779017A (en) * | 2016-05-05 | 2016-07-20 | 青岛理工大学 | Waste tire fluidized gasification device and method based on blast furnace slag waste heat utilization |
| CN106635111A (en) * | 2016-11-16 | 2017-05-10 | 山东理工大学 | Novel system for co-producing liquid fuel and biochar by biomass pyrolysis |
| CN107760383A (en) * | 2017-11-13 | 2018-03-06 | 中国矿业大学(北京) | Blast furnace slag waste heat catalytic pyrolysis biomass gas technology |
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| CN112175648A (en) * | 2020-10-30 | 2021-01-05 | 上海电力大学 | Energy-saving system for preparing biomass oil by using waste heat of power plant ash |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192799B (en) * | 2014-08-15 | 2016-01-06 | 重庆科技学院 | High-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device and method |
| CN104192799A (en) * | 2014-08-15 | 2014-12-10 | 重庆科技学院 | Device for preparing hydrogen-rich gas by gasifying biomass under catalysis of high-temperature metallurgical slag particles and method |
| CN105567342A (en) * | 2015-12-22 | 2016-05-11 | 重庆大学 | Device and method of utilizing blast furnace slag as heat carrier to prepare biomass oil |
| US10745770B2 (en) | 2016-01-19 | 2020-08-18 | Qingdao Technological University | Method of simultaneously recycling plastics and detoxifying chromite ore processing residue by residual heat from steel slag |
| CN105542818A (en) * | 2016-01-19 | 2016-05-04 | 青岛理工大学 | Synchronization technology for recycling sludge and harmlessly treating chromium slag by using steel slag waste heat |
| CN105542859A (en) * | 2016-01-19 | 2016-05-04 | 青岛理工大学 | Technology for recycling biomass and producing high-quality fuel gas by using waste heat of blast furnace slag |
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