CN203530225U - Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system - Google Patents
Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system Download PDFInfo
- Publication number
- CN203530225U CN203530225U CN201320570274.5U CN201320570274U CN203530225U CN 203530225 U CN203530225 U CN 203530225U CN 201320570274 U CN201320570274 U CN 201320570274U CN 203530225 U CN203530225 U CN 203530225U
- Authority
- CN
- China
- Prior art keywords
- bed
- gas
- fluidized
- pyrolysis
- entrance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model belongs to the utilization of biomass resources, and particularly relates to a seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system. The seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system is characterized in that a rapid bed is used as a thermal decomposition furnace, a circulating fluidized bed is used as a semi-coke burning utilization device, and hot ash and circulating non-condensable gas generated by the burning of the circulating fluidized bed are used as heat carriers of the thermal decomposition furnace; seaweed fragments are heated and decomposed into gaseous matters in the thermal decomposition furnace, the gaseous matters are separated to form bio-oil and non-condensable gas, semi-coke discharged by an outlet of the rapid bed is directly fed into the circulating fluidized bed and is burned, generated high-temperature flue gas enters a gas-solid separator, fly ash separated out is fed into a return valve and further enters the thermal decomposition bed so as to serve as the heat carrier, flue gas subjected to dust removal flows through a tail heated surface and finally is discharged into the atmosphere, and vapor by heating the tail heated surface is used for electricity generation and heat supply, thus the comprehensive and high-efficiency utilization of seaweed biomasses is realized.
Description
Technical field
The utility model belongs to biomass resource utilization, refer in particular to a kind of marine alga pyrolysis oil preparation, the two Circulant Composite Systems of coal-char combustion, be specifically related to a kind ofly using fast fluidized bed and be that as pyrolysis oven, the circulating fluidized bed of take heat ash that coal-char combustion use device, the circulating fluidized bed combustion of usining generate and circulation non-condensable gas utilize system as the seaweed biomass combination of the thermal barrier of pyrolysis oven, for liquefaction and heat supply generating etc.
Background technology
Nature is being contained a kind of abundant " green " renewable energy source: biomass energy, account for 14% of world energy sources wastage in bulk or weight, and be only second to oil, coal and Sweet natural gas; Along with the exhaustion day by day of fossil energy and being on the rise of environmental degradation problem, the development and utilization of biomass energy more comes into one's own; Biomass refer to any organic substance reproducible or capable of circulation (Timber stands that does not comprise perennation), mainly comprise fuel wood, farm-forestry crop, weeds, municipal solid wastes, sanitary sewage, waterplant, fowl and animal excrement etc.; Various countries are also fewer to the research of marine biomass, and the having a high potential of Living marine resources exploitations, wherein seaweed plants approximately has kind more than 10,000, especially there is wide coastal areas and territorial seas in China, littoral more than 14200 kilometer of island, three or the four thousand kinds of marine algas that growing, comprise the populations such as red algae, brown alga and green alga, and part marine alga output occupies first place in the world; The living environment of seaweed plant is ocean, and it is being compared with land plant and having very large advantage aspect plantation space, the speed of growth and absorbing carbon dioxide.
The self-growth and breeding ability of some marine algas is also extremely vigorous simultaneously.In this field, coastal waters, playing area, olympic game sailing boat Qingdao, bar Enteromorpha and sheet Enteromorpha (2 kinds of green algas) are assembled overpreading in a large number, and the whole people set out to have cleared up altogether more than 60 ten thousand tons of Enteromorphas; For huge marine alga amount like this, the consumption of the processed goods such as fertilizer outlet, food is limited in one's ability, can consider energy utilization processing, the a lot of developed areas of coastal area of china, be applicable to suiting measures to local conditions developing the local seaweed biomass energy and solve local energy shortage problem, some countries are paying close attention to the exploitation of marine alga energy utilization in the world: LiveFuels company declares that the U.S. will realize the conversion of marine alga-biomass crude oil; Japan is also studying and take marine alga as the generating of raw material extraction methane.
Aspect energy utilization, Chinese utility model patent " is utilized the method for the common pyrolysis preparing bio-oil of marine alga and land biomass " (ZL200810041468.X) and " different density circulation fluidized bed combustion treatment method of seaweed biomass " (ZL200710172603.X) proposed respectively the novel method that pyrogenation and combustion utilizes seaweed biomass from different perspectives, but during separately as isolated system, Btu utilization is insufficient, especially need the extraneous thermal source that improves during pyrolysis, during burning, a lot of heats and ash content are not fully used yet, waste more, during actually operating and be unfavorable for the popularization of economy, do not meet the high-efficiency comprehensive utilization of resource.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above shortcoming, to propose a kind of fast pyrolysis oil production bed and the marine alga coal-char combustion circulating fluidized bed that can successfully realize marine alga to organically combine, can effectively improve system capacity utilization ratio, the high ash content of marine alga is rationally utilized as system thermal barrier, reduce the two Circulant Composite Systems of marine alga pyrolysis oil preparation, coal-char combustion of environmental pollution.
The purpose of this utility model can be achieved through the following technical solutions:
Seaweed biomass pyrolysis oil preparation, the two Circulant Composite Systems of coal-char combustion, this combined system comprises fast pyrogenation bed, semicoke circulating fluidized bed, pyrolysis bed returning charge valve, fluidized-bed returning charge valve, pyrolysis bed gas-solid separator, semicoke fluidized-bed gas-solid separator, gas-liquid separator, water-and-oil separator, bio oil storage tank, non-condensable gas storage tank, back-end surfaces, with upper-part, connect in the following ways: solid semicoke outlet in pyrolysis bed gas-solid separator bottom connects pyrolysis bed returning charge valve inlet, pyrolysis bed returning charge valve overflow port is connected with circulating fluidized bed semicoke entrance, fast pyrogenation bed top exit is connected with the entrance of pyrolysis bed gas-solid separator, the outlet of pyrolysis bed gas-solid separator top is connected with gas-liquid separator entrance, the outlet of gas-liquid separator oil-water mixture is connected with water-and-oil separator entrance, water-and-oil separator water out is connected with gas-liquid separator cooling water inlet, water-and-oil separator oil export is connected with bio oil storage tank entrance, gas-liquid separator pneumatic outlet is connected with non-condensable gas storage tank entrance, the first outlet of non-condensable gas storage tank is connected with fast pyrogenation bed bottom non-condensable gas entrance, the second outlet of non-condensable gas storage tank is mended fuel gas inlet with semicoke circulating fluidized bed bottom and is connected, residue non-condensable gas supplies outward, the bottom ash overflow port of circulating fluidized bed is connected with fluidized-bed returning charge valve the first entrance, and the outlet of fluidized-bed returning charge valve ash is connected with the import of fast pyrogenation bed ash carrier, semicoke circulating fluidized bed fluidized-bed top exit is connected with the entrance of semicoke fluidized-bed gas-solid separator, the ash outlet of semicoke fluidized-bed gas-solid separator bottom is connected with fluidized-bed returning charge valve the second entrance, and fluidized-bed gas-solid separator top exhanst gas outlet is connected with back-end surfaces.
Described fast pyrogenation bed is fast fluidized bed, usings and circulates heat ash that non-condensable gas and semicoke circulating fluidized bed combustion produce as thermal barrier.
The semicoke producing after described fast pyrogenation bed pyrolysis oil preparation is directly sent into burning in semicoke circulating fluidized bed, and the part non-condensable gas producing after pyrolysis oil preparation is directly sent in circulating fluidized bed and burnt as afterburning gas.
The using method of the utility model system is: seaweed biomass is gathered and screening, dry, pulverizing or cutting into length is 0.1-10mm particle, enter fast pyrogenation bed, the pyrolysis bed starting stage passes into nitrogen, when non-condensable gas reaches, guarantee that marine alga stops nitrogen after the flow of pyrolysis bed residence time 1s, in bed, temperature is controlled within the scope of 450 ℃ ~ 600 ℃, the heat ash that institute's heat requirement produces from circulating fluidized bed combustion and the circulation non-condensable gas of fast pyrogenation bed; Marine alga pyrolysis in fast pyrogenation bed produces pyrolysis gas, water vapor and semicoke, pyrolysis gas and water vapor enter bio oil and water under gas-liquid separator condensation by pyrolysis bed gas-solid separator, by gas-liquid separator outlet at bottom, enter water-and-oil separator together, the separated bio oil forming enters bio oil storage tank, and the water of separating returns to gas-liquid separator as water coolant; The non-condensable gas that gas-liquid separator is discharged enters non-condensable gas storage tank, and a part enters semicoke circulating fluidized bed combustion as afterburning gas, and as thermal barrier, circulation enters fast pyrogenation bed to a part, and residue non-condensable gas is collected in non-condensable gas storage tank and can be used for outer confession; The semicoke temperature that fast pyrogenation bed produces is between 450 ℃ ~ 600 ℃, by pyrolysis bed gas-solid separator, entering pyrolysis bed returning charge valve sends in semicoke circulating fluidized bed again and burns, air is fed for burning by circulating fluidized bed bottom, the flue gas that burning produces carries together flying dust and enters fluidized-bed gas-solid separator by circulating fluidized bed outlet, isolated flying dust enters fluidized-bed returning charge valve, together with the bottom ash overflow ash of circulating fluidized bed, sends into fast pyrogenation bed; The hot flue gas flow that gas-solid separator is discharged, through back-end surfaces, finally enters atmosphere; The high-temperature steam that back-end surfaces produces can be used for for heat and generating power; The ash that the descending ash discharging hole of fluidized-bed returning charge valve is discharged can be used as building and industrial chemicals.
Compared with the prior art, the utlity model has following advantage:
(1) realize the recycle of the liquefaction of seaweed biomass resource, gas processed, heat supply, generating, there is high economy, environmental benefit;
(2) the high temperature semicoke producing after marine alga fast pyrogenation is directly sent into circulating fluidized bed combustion, has reduced system energy loss and environmental pollution;
(3) using varec and non-condensable gas as pyrolysis heat supply thermal barrier, take full advantage of the high ash content of marine alga, improved pyrolysis quality simultaneously, reduced pyrolysis oil preparation cost;
(4) adopt circulating fluidized bed combustion marine alga, take full advantage of marine alga and be applicable to low-temperature burning, how marine alga ash content has also served as the effect of bed material simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is that fast pyrogenation bed, 2 is that circulating fluidized bed, 3 is that pyrolysis bed returning charge valve, 4 is that fluidized-bed returning charge valve, 5 is that pyrolysis bed gas-solid separator, 6 is that fluidized-bed gas-solid separator, 7 is that gas-liquid separator, 8 is that water-and-oil separator, 9 is that biological oil tank, 10 is that non-condensable gas storage tank, 11 is back-end surfaces.
Embodiment
With specific embodiment, the utility model is elaborated by reference to the accompanying drawings.
Seaweed biomass pyrolysis oil preparation, the two Circulant Composite Systems of coal-char combustion, as shown in Figure 1, as shown in Figure 1, this combined system comprises fast pyrogenation bed (body of heater height 6m to this structure to its structure, diameter 0.1m), circulating fluidized bed (emulsion zone vertical section diameter 0.095m, height 0.3m, emulsion zone expanding section height 0.2m, freeboard of fluidized bed diameter 0.14m, height 0.5m), pyrolysis bed returning charge valve, fluidized-bed returning charge valve, pyrolysis bed gas-solid separator, fluidized-bed gas-solid separator, gas-liquid separator, water-and-oil separator, bio oil storage tank, non-condensable gas storage tank, back-end surfaces, system each several part mode of connection: solid semicoke outlet in fast pyrogenation bed gas-solid separator bottom connects pyrolysis bed returning charge valve inlet, pyrolysis bed returning charge valve overflow port is connected with circulating fluidized bed semicoke entrance, the outlet of fast pyrogenation bed gas-solid separator top is connected with gas-liquid separator entrance, the outlet of gas-liquid separator oil-water mixture is connected with water-and-oil separator entrance, water-and-oil separator water out is connected with gas-liquid separator cooling water inlet, water-and-oil separator oil export is connected with bio oil storage tank entrance, gas-liquid separator pneumatic outlet is connected with non-condensable gas storage tank entrance, the first outlet of non-condensable gas storage tank is connected with fast pyrogenation bed bottom non-condensable gas entrance, the second outlet of non-condensable gas storage tank is mended fuel gas inlet with circulating fluidized bed bottom and is connected, residue non-condensable gas can supply outward, the bottom ash overflow port of circulating fluidized bed is connected with fluidized-bed returning charge valve the first entrance, and the outlet of fluidized-bed returning charge valve ash is connected with the import of fast pyrogenation bed ash carrier, the fluidized-bed gas-solid separator bottom ash outlet of circulating fluidized bed is connected with fluidized-bed returning charge valve the second entrance, and fluidized-bed gas-solid separator top exhanst gas outlet is connected with back-end surfaces.
The utility model System Working Principle is: seaweed biomass is gathered and screening, dry, pulverizing or cut into length is 0.1-0.5mm particle, delivery rate is 10kg/h, enter fast pyrogenation bed, the pyrolysis bed starting stage passes into nitrogen, when non-condensable gas reaches 0.04m
3after/s flow, stop nitrogen, in bed, temperature is controlled within the scope of 450 ℃ ~ 600 ℃, the heat ash that institute's heat requirement produces from circulating fluidized bed combustion and the circulation non-condensable gas of fast pyrogenation bed; Marine alga pyrolysis gas, water vapor and semicoke that in fast pyrogenation bed, pyrolysis produces, pyrolysis gas and water vapor enter bio oil and water under gas-liquid separator condensation by the gas solid separator at pyrolysis bed top, by gas-liquid separator outlet at bottom, enter water-and-oil separator together, the separated bio oil that forms enters storage tank, and the water of separating returns to gas-liquid separator as water coolant; The non-condensable gas part that gas-liquid separator is discharged enters circulating fluidized bed combustion as afterburning pneumatic transmission, and a part circulates and sends into fast pyrogenation bed as thermal barrier, and residue non-condensable gas can be used for outer confession.The semicoke temperature that fast pyrogenation bed produces is between 450 ℃ ~ 600 ℃, by returning charge valve, enter in circulating fluidized bed and burn, air is fed for burning by bed bottom, the flue gas that burning produces carries together flying dust and enters gas-solid separator by circulating fluidized bed outlet, isolated flying dust enters returning charge valve, together with the bottom ash overflow ash of circulating fluidized bed, sends into fast pyrogenation bed; The hot flue gas flow that gas-solid separator is discharged, through back-end surfaces, finally enters atmosphere; The high-temperature steam that back-end surfaces produces can be used for for heat and generating power; The ash that the descending ash discharging hole of fluidized-bed returning charge valve is discharged can be used as building and industrial chemicals.
Claims (2)
1. seaweed biomass pyrolysis oil preparation, the two Circulant Composite Systems of coal-char combustion, is characterized in that: described combined system comprises fast pyrogenation bed, semicoke circulating fluidized bed, pyrolysis bed returning charge valve, fluidized-bed returning charge valve, pyrolysis bed gas-solid separator, semicoke fluidized-bed gas-solid separator, gas-liquid separator, water-and-oil separator, bio oil storage tank, non-condensable gas storage tank, back-end surfaces, the solid semicoke outlet of pyrolysis bed gas-solid separator bottom connects pyrolysis bed returning charge valve inlet, pyrolysis bed returning charge valve overflow port is connected with circulating fluidized bed semicoke entrance, fast pyrogenation bed top exit is connected with the entrance of pyrolysis bed gas-solid separator, the outlet of pyrolysis bed gas-solid separator top is connected with gas-liquid separator entrance, the outlet of gas-liquid separator oil-water mixture is connected with water-and-oil separator entrance, water-and-oil separator water out is connected with gas-liquid separator cooling water inlet, water-and-oil separator oil export is connected with bio oil storage tank entrance, gas-liquid separator pneumatic outlet is connected with non-condensable gas storage tank entrance, the first outlet of non-condensable gas storage tank is connected with fast pyrogenation bed bottom non-condensable gas entrance, the second outlet of non-condensable gas storage tank is mended fuel gas inlet with semicoke circulating fluidized bed bottom and is connected, residue non-condensable gas supplies outward, the bottom ash overflow port of circulating fluidized bed is connected with fluidized-bed returning charge valve the first entrance, and the outlet of fluidized-bed returning charge valve ash is connected with the import of fast pyrogenation bed ash carrier, semicoke circulating fluidized bed fluidized-bed top exit is connected with the entrance of semicoke fluidized-bed gas-solid separator, the ash outlet of semicoke fluidized-bed gas-solid separator bottom is connected with fluidized-bed returning charge valve the second entrance, and fluidized-bed gas-solid separator top exhanst gas outlet is connected with back-end surfaces.
2. seaweed biomass pyrolysis oil preparation as claimed in claim 1, the two Circulant Composite Systems of coal-char combustion, is characterized in that: the body of heater height 6m of described fast pyrogenation bed, diameter 0.1m; The emulsion zone vertical section diameter 0.095m of described semicoke circulating fluidized bed, height 0.3m; Emulsion zone expanding section height 0.2m; Freeboard of fluidized bed diameter 0.14m, height 0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570274.5U CN203530225U (en) | 2013-09-16 | 2013-09-16 | Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570274.5U CN203530225U (en) | 2013-09-16 | 2013-09-16 | Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530225U true CN203530225U (en) | 2014-04-09 |
Family
ID=50416459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570274.5U Expired - Fee Related CN203530225U (en) | 2013-09-16 | 2013-09-16 | Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468284A (en) * | 2013-09-16 | 2013-12-25 | 江苏大学 | Double circulation combined system for burning oil and semicoke prepared through seaweed pyrolysis and treatment method |
-
2013
- 2013-09-16 CN CN201320570274.5U patent/CN203530225U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468284A (en) * | 2013-09-16 | 2013-12-25 | 江苏大学 | Double circulation combined system for burning oil and semicoke prepared through seaweed pyrolysis and treatment method |
| CN103468284B (en) * | 2013-09-16 | 2017-01-18 | 江苏大学 | Double circulation combined system for burning oil and semicoke prepared through seaweed pyrolysis and treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zeng et al. | Utilization of straw in biomass energy in China | |
| CN101624531B (en) | Device for preparing bio-oil by utilizing biomass spouted fluidized bed through pyrolysis and fractional condensation | |
| CN103242869B (en) | Device and method for pyrolyzing and carbonizing biomass at low temperature by utilizing boiler flue gas | |
| CN201473491U (en) | Biomass fast thermal decomposition device | |
| CN103254918A (en) | System and method for drying and carbonizing biomass raw material by using boiler flue gas | |
| CN203925629U (en) | Distributed living beings and organic Rankine circulation cogeneration, the hot polygenerations systeme of charcoal | |
| Capareda | Biomass energy conversion | |
| CN103194246B (en) | Large kelp biomass dry distillation energy self-balancing oil production system and method thereof | |
| CN106221817A (en) | The device and method of high heating value gas is prepared based on double-fluidized-bed biomass pyrolytic | |
| CN205701817U (en) | One way of life rubbish and agriculture and forestry organic waste material carbonization circulation comprehensive processing system | |
| CN105710114A (en) | Carbonization circulation overall treatment system and method for household refuse and forestry and agricultural residues | |
| CN103468284B (en) | Double circulation combined system for burning oil and semicoke prepared through seaweed pyrolysis and treatment method | |
| CN110283623A (en) | A kind of novel biomass-distributed solar polygenerations systeme | |
| CN206449647U (en) | The clean energy resource of coal unit and biomass gasification technology multiple coupling utilizes system | |
| CN201990639U (en) | Biomass gasification system for two-segment circulating fluidized bed | |
| CN203530225U (en) | Seaweed thermal decomposition oil production and semi-coke burning double-circulation combination system | |
| CN103740388A (en) | Seaweed biomass carbonization oil-making system of rotary kiln | |
| CN202440467U (en) | Self-heating biomass flash pyrolysis liquefying device | |
| CN101735836A (en) | Straw carbonization and separation technique and separating device used thereby | |
| CN100582578C (en) | Iso-density seaweed biomass circulating fluid bed burn processing method | |
| CN1958723A (en) | Distributed energy system complemental between biomass energy and natural gas | |
| CN211546415U (en) | Combustible solid waste fast pyrolysis device based on zeolite and multiple physical and chemical fields | |
| CN103497776A (en) | Heat-carrier self-loop heating type agricultural waste cracking liquefying system | |
| CN206157103U (en) | A biological new energy system for combusting biomass fuel | |
| CN115433604B (en) | Light pyrolysis biomass clean utilization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |