SE2151189A1 - Biomass gasification conversion system and method - Google Patents
Biomass gasification conversion system and methodInfo
- Publication number
- SE2151189A1 SE2151189A1 SE2151189A SE2151189A SE2151189A1 SE 2151189 A1 SE2151189 A1 SE 2151189A1 SE 2151189 A SE2151189 A SE 2151189A SE 2151189 A SE2151189 A SE 2151189A SE 2151189 A1 SE2151189 A1 SE 2151189A1
- Authority
- SE
- Sweden
- Prior art keywords
- gas
- fumace
- gasifier
- baking
- combustion
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 abstract description 58
- 239000002028 Biomass Substances 0.000 abstract description 51
- 238000002309 gasification Methods 0.000 abstract description 49
- 238000006243 chemical reaction Methods 0.000 abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 30
- 239000003546 flue gas Substances 0.000 abstract description 28
- 239000000047 product Substances 0.000 abstract description 28
- 239000007787 solid Substances 0.000 abstract description 28
- 238000000926 separation method Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 20
- 239000007789 gas Substances 0.000 abstract description 18
- 239000000571 coke Substances 0.000 abstract description 14
- 238000004891 communication Methods 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 12
- 239000002918 waste heat Substances 0.000 abstract description 11
- 239000012467 final product Substances 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 description 17
- 239000012265 solid product Substances 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000003912 environmental pollution Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000002364 soil amendment Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0909—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
- C10J2300/092—Wood, cellulose
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0969—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A biomass gasification conversion system is provided, which includes a baking furnace, a gas-solid separation device, a gasifier and a combustion furnace. The baking furnace is in communication with external flue gas with waste heat and the gas-solid separation device. The gas-solid separation device is in communication with the combustion furnace and the gasifier. The combustion furnace is communication with an outside thereof. A biomass gasification conversion method is also provided, which includes: utilizing flue gas with waste heat via a baking furnace to bake a biomass raw material; separating, via a gas-solid separation device, gas and solid generated during baking; conveying a separated gas product to an combustion furnace and a separated solid to a gasifier; and gasifying and decomposing the solid via the gasifier under an action of high-temperature flue gas, conveying generated volatile component to the combustion furnace and taking generated gasified coke as a final product.
Description
BIOMASS GASIFICATION CONVERSION SYSTEM AND METHOD TECHNICAL FIELDWU biomass gasification conversion system and a method.
The present disclosure relates to the technical field of bioenergy, and in particular to a BACKGRoUND ART[02] wastes, aquatic plants, energy crops, etc, which is widespread and has large reserves. The clean It is well known that the biomass raw material is mainly sourced from agricultural-forestry energy eXploitation quantity in China is 2.148 billion tons of standard coal, and the amount ofbiomass resources account for more than half. Therefore, it is of great significance to eXploit andutilize the rich biomass energy in China to relieve the energy shortage and the environmentalpollution. The biomass gasification technology has been identified as one of the new energytechnologies to be developed firstly at the l5th World Energy Congress. id="p-3"
id="p-3"
[03] content, high oXygen content, low energy density, poor grindability and poor uniforrnity, and so on, In the actual production, since biomass itself has the complex species, high moisture the biomass energy cannot be widely applied. Currently, the baking pretreatment can realize thebiomass storage, transportation, crushing, etc., so as to implement the thermal utilization (such aspyrolysis and gasification) of the biomass, which has a positive influence. However, theenvironmental pollution, the poor energy saving effect, and the lower quality of the convertedproduct still exist in the biomass conversion process. id="p-4"
id="p-4"
[04] the environmental pollution, the poor energy saving effect, the lower quality of the converted Accordingly, in the prior art, the biomass conversion technology has the problems such as product, etc.
SUMMARY id="p-5"
id="p-5"
[05] to provide a biomass gasification conversion system and a method, which have low energy In view of the description mentioned above, an objective of the present disclosure is mainly consumption, a low cost, high cleanliness and a better product quality. id="p-6"
id="p-6"
[06] In order to achieve the objectives mentioned above, the present disclosure provides a firsttechnical solution.[07] A biomass gasification conversion system is provided, which includes a baking fumace, a gas-solid separation device, a gasifier, a combustion fumace, a first control valve, a second controlvalve, and a third control valve, wherein, a first input end of the baking furnace is in communication with extemal flue gas with waste heat through the first control valve, a second input end of the baking fumace inputs a biomass raw material, and an output end of the baking fumace is incommunication with an input end of the gas-solid separation device; a first output end of thegas-solid separation device is in communication with a first input end of the combustion furnace,and a second output end of the gas-solid separation device is in communication with a first inputend of the gasifier; a second input end of the gasifier is in communication with a first output end ofthe combustion fumace through the second control valve, a first output end of the gasifier is incommunication with a second input end of the combustion fumace, a second output end of thegasifier outputs gasified coke; and a third input end of the combustion furnace is fed with anexternal fuel, and a second output end of the combustion fumace is in communication with anoutside thereof through the third control valve. id="p-3"
id="p-3"
[03] utilizes the external flue gas with waste heat to bake the biomass raw material, a gas product and a In conclusion, after the biomass gasification conversion system of the present disclosure solid product generated during baking are separated by the gas-solid separation device; then, the gasproduct is used as a fuel for the combustion furnace; and the solid product enters the gasifier forgasification. Furthermore, high-temperature flue gas generated in the combustion fumace is used asa heat source and a gasification agent to gasify and decompose the solid product in the gasifier; thevolatile component and the gasified coke are generated in the gasification and the decomposition;and the volatile component is conveyed to the combustion furnace to be used as a second fuel forthe combustion fumace. Further, the gasified coke that is used as a final product may be made into ahigh-quality activated carbon product, and also used as the soil amendment. In order to prevent thegas product and the volatile component in the combustion fumace from failing to meet a fueldemand of an entire system, a third fuel for the combustion furnace may also be fed from theoutside thereof according to an actual need. In practical application, the high-temperature flue gasgenerated in the combustion fumace may also be eXceeded a demand for heat and the gasificationagent of the gasifier itself, so the redundant high-temperature flue gas may be transported to anoutside of the system for power generation or heat supply. Therefore, the biomass gasificationconversion system of the present disclosure forms a closed loop system as a whole, therebyrecycling an auXiliary product generated in the system and greatly improving energy saving andconsumption reduction efficiency. In addition, no gas is discharged in a whole process, and thus thesystem reduces emission of carbon dioXide and avoids environmental pollution. Moreover, thebiomass gasification conversion system of the present disclosure has a simple structure, and thus thecost of this system is lower. The biomass gasification conversion system of the present disclosureprovides powerful technical support for development of a biomass energy utilization technology. id="p-9"
id="p-9"
[09] second technical solution.
In order to achieve the objectives mentioned above, the present disclosure provides a id="p-10"
id="p-10"
[10][11] and inputting a biomass raw material into the baking furnace for baking, When a temperature of the A biomass gasification conversion method is provided, which includes following steps 1-5.
In step 1, directly feeding external flue gas with waste heat into a baking fumace for heating; baking furnace reaches a first set temperature. id="p-12"
id="p-12"
[12] In step 2, conveying a gas product and a solid product generated during baking to agas-solid separation device, when the biomass raw material is baked.[13] In step 3, conveying the gas product after being separated to a combustion fumace and the solid product after being separated to a gasifier, after gas-solid separation by the gas-solidseparation device.[14] and a gasification agent; enabling, in the gasifier, a gasification reaction on the solid product from In step 4, taking high-temperature flue gas from the combustion furnace as a heat source the gas-solid separation device at a second set temperature; conveying generated volatile componentto the combustion fumace; and outputting generated gasified coke as a final product to an outside ofthe gasifier. combustion fumace; and providing the high-temperature flue gas as the heat source and the In step 5, combusting the gas product, the volatile component or an external fuel by the gasification agent for the gasifier.[16] utilizes the external flue gas with waste heat to bake the biomass raw material, a gas product and a In conclusion, after the biomass gasification conversion method of the present disclosure solid product generated during baking are separated by the gas-solid separation device; then, the gasproduct is used as a fuel for the combustion furnace; and the solid product enters the gasifier forgasification. Furthermore, high-temperature flue gas generated in the combustion fumace is used asa heat source and a gasification agent to gasify and decompose the solid product in the gasifier; thevolatile component and the gasified coke are generated in the gasification and the decomposition;and the volatile component is conveyed to the combustion furnace to be used as a second fuel forthe combustion fumace. Further, the gasified coke that is used as a final product may be made into ahigh-quality activated carbon product, and also used as the soil amendment. In order to prevent thegas product and the volatile component in the combustion fumace from failing to meet a fueldemand of an entire biomass gasification conversion system, a third fuel for the combustion fumacemay also be fed from the outside thereof according to an actual need. In practical application, thehigh-temperature flue gas generated in the combustion fumace may also be exceeded a demand forheat and the gasification agent of the gasifier itself, so the redundant high-temperature flue gas maybe transported to an outside of the system for power generation or heat supply. Therefore, thebiomass gasification conversion method of the present disclosure may enable the biomass gasification conversion system to form a closed loop system as a whole, thereby recycling an auXiliary product generated in the system and greatly improving energy saving and consumptionreduction efficiency. In addition, no gas is discharged in a whole process, and thus the systemreduces emission of carbon dioXide and avoids environmental pollution. The biomass gasificationconversion method of the present disclosure provides powerful technical support for development of a biomass energy utilization technology.
BRIEF DESCRIPTION OF THE DRAWINGS[17]conversion system according to an embodiment of the present disclosure; and[13] according to an embodiment of the present disclosure.
FIG. l is a schematic structural diagram of a general configuration of a biomass gasification FIG. 2 is a general schematic flowchart of a biomass gasification conversion method DETAILED DESCRIPTION OF THE EMBODIMENTS the present disclosure will be further described in detail in combination with the accompanying To make the objectives, technical solutions and advantages of the present disclosure clearer, drawings and the specific embodiments.[20] conversion system according to an embodiment of the present disclosure. As shown in FIG. l, the FIG. l is a structural schematic diagram of a general configuration of a biomass gasification biomass gasification conversion system of the present disclosure includes: a baking furnace l, agas-solid separation device 4, a gasifier 2, a combustion fumace 3, a first control valve Fl, a secondcontrol valve F2 and a third control valve F3. id="p-21"
id="p-21"
[21] waste heat A through the first control valve Fl. A second input end of the baking fumace l inputs a A first input end of the baking fumace l is in communication with eXtemal flue gas with biomass raw material B. An output end of the baking fumace l is in communication with an inputend of the gas-solid separation device 4. A first output end of the gas-solid separation device 4 is incommunication with a first input end of the combustion furnace 3, and a second output end of thegas-solid separation device 4 is in communication with a first input end of the gasifier 2. A secondinput end of the gasifier 2 is in communication with a first output end of the combustion furnace 3through the second control valve F2. A first output end of the gasifier 2 is in communication with asecond input end of the combustion furnace 3, and a second output end of the gasifier 2 outputsgasified coke D. A third input end of the combustion fumace 3 is fed with an external fuel E, and asecond output end of the combustion fumace 3 is in communication with an outside C of thecombustion furnace 3 through the third control valve F3. id="p-22"
id="p-22"
[22] first therrnocouple, a second thermocouple and a third therrnocouple, where the first therrnocouple The biomass gasification conversion system of the present disclosure further includes: a is installed in the baking furnace 1, the second therrnocouple is installed in the gasifier 2, and thethird thermocouple is installed in the combustion furnace 3.[23] The second therrnocouple is used for detecting a real-time temperature of the gasifier. The third The first thermocouple is used for detecting a real-time temperature of the baking fumace. thermocouple is used for detecting a real-time temperature of the combustion fumace.[24] real-time temperature of the gasifier and the real-time temperature of the combustion furnace, In practical application, based on the real-time temperature of the baking furnace, the through cooperating the adjustment in openings of the first control valve Fl, the second controlvalve F2 and the third control valve F3 by an operator, floW rates of various kinds of gases (using asfuels or gasification agents), Which are input into or output from the baking fumace 1, the gasifier 2and the combustion furnace 3, can be adjusted. ln this Way, the real-time temperature of the bakingfumace, the real-time temperature of the gasifier and the real-time temperature of the combustionfumace are all kept Within respective required temperature ranges, thereby improving the productquality and the treatment efficiency. id="p-25"
id="p-25"
[25] the eXtemal flue gas With Waste heat to bake the biomass raw material, a gas product and a solid In short, after the biomass gasification conversion system of the present disclosure utilizes product generated during baking are separated by the gas-solid separation device; then, the gasproduct is used as a fuel for the combustion furnace; and the solid product enters the gasifier forgasification. Furthermore, high-temperature flue gas generated in the combustion fumace is used asa heat source and a gasification agent to gasify and decompose the solid product in the gasifier; thevolatile component and the gasified coke are generated in the gasification and the decomposition;and the volatile component is conveyed to the combustion furnace to be used as a second fuel forthe combustion fumace. Further, the gasified coke that is used as a final product may be made into ahigh-quality activated carbon product, and also used as the soil amendment. In order to prevent thegas product and the volatile component in the combustion fumace from failing to meet a fueldemand of an entire system, a third fuel for the combustion furnace may also be fed from theoutside thereof according to an actual need. In practical application, the high-temperature flue gasgenerated in the combustion fumace may also be eXceeded a demand for heat and the gasificationagent of the gasifier itself, so the redundant high-temperature flue gas may be transported to anoutside of the system for power generation or heat supply. Therefore, the biomass gasificationconversion system of the present disclosure forms a closed loop system as a Whole, therebyrecycling an auXiliary product generated in the system and greatly improving energy saving andconsumption reduction efficiency. In addition, no gas is discharged in a Whole process, and thus thesystem reduces emission of carbon dioXide and avoids environmental pollution. Moreover, the biomass gasification conversion system of the present disclosure has a simple structure, and thus the cost of this system is lower. The biomass gasification conversion system of the present disclosureprovides powerful technical support for development of a biomass energy utilization technology.[26] according to an embodiment of the present disclosure. As shown in FIG. 2, the biomass gasification FIG. 2 is a general schematic flowchart of a biomass gasification conversion method conversion method of the present disclosure includes following steps l to 5.[27] and a biomass raw material is inputted into the baking fumace for baking, when a temperature of In step l, external flue gas with waste heat is directly fed into a baking furnace for heating; the baking fumace reaches a first set temperature. id="p-28"
id="p-28"
[28] In step 2, a gas product and a solid product generated during baking are conveyed to agas-solid separation device, when the biomass raw material is baked.[29] In step 3, the gas product after being separated is conveyed to a combustion fumace and the solid product after being separated is conveyed to a gasifier, after gas-solid separation by thegas-solid separation device.[30] and a gasification agent; in the gasifier, a gasification reaction is enabled on the solid product from In step 4, high-temperature flue gas from the combustion fumace is taken as a heat source the gas-solid separation device at a second set temperature; generated volatile component isconveyed to the combustion furnace; and generated gasified coke as a final product is outputted toan outside of the gasifier. combustion fumace; and the high-temperature flue gas as the heat source and the gasification agent In step 5, the gas product, the volatile component or an extemal fuel is combusted by the is provided for the gasifier.[32] Particularly, water vapor and carbon dioXide in the high-temperature flue gas are used as the In practical application, the high-temperature flue gas is used as the gasification agent. gasification agent.[33] temperature of the gasifier, the carbon dioXide in the gasification agent may be reduced with the In practical application, the gasified coke contains carbon, so at a normal working carbon, and thus carbon monoxide may be produced. The carbon monoXide may be used as a fuel tobe conveyed to the combustion furnace.[34] second set temperature. In embodiments, the first set temperature is 200°C -300°C, and the second In practice application, the normal working temperature range of the gasifier 2 is set as the set temperature is 600°C -900°C.[35][36] the eXtemal flue gas with waste heat to bake the biomass raw material, a gas product and a solid In embodiments, a temperature of the flue gas with waste heat A is 200°C -300°C.
In short, after the biomass gasification conversion method of the present disclosure utilizes product generated during baking are separated by the gas-solid separation device; then, the gas product is used as a fuel for the combustion furnace; and the solid product enters the gasifier forgasification. Furthermore, high-temperature flue gas generated in the combustion fumace is used asa heat source and a gasification agent to gasify and decompose the solid product in the gasifier; thevolatile component and the gasified coke are generated in the gasification and the decomposition;and the volatile component is conveyed to the combustion fumace to be used as a second fuel forthe combustion fumace. Further, the gasified coke that is used as a final product may be made into ahigh-quality activated carbon product, and also used as the soil amendment. In order to prevent thegas product and the volatile component in the combustion fumace from failing to meet a fueldemand of an entire biomass gasification conversion system, a third fuel for the combustion fumacemay also be fed from the outside thereof according to an actual need. In practical application, thehigh-temperature flue gas generated in the combustion fumace may also be eXceeded a demand forheat and the gasification agent of the gasifier itself, so the redundant high-temperature flue gas maybe transported to an outside of the system for power generation or heat supply. Therefore, thebiomass gasification conversion method of the present disclosure may enable the biomassgasification conversion system to form a closed loop system as a Whole, thereby recycling anauXiliary product generated in the system and greatly improving energy saving and consumptionreduction efficiency. In addition, no gas is discharged in a Whole process, and thus the systemreduces emission of carbon dioXide and avoids environmental pollution. The biomass gasificationconversion method of the present disclosure provides powerful technical support for developmentof a biomass energy utilization technology. understanding the method of the present disclosure and its core idea. It should be noted that those of The descriptions of the embodiments mentioned above are only intended to assist in ordinary skill in the art may also make several improvements and modifications to the presentdisclosure Without departing from the principles of the present disclosure, and these improvementsand modifications also fall Within the scope of protection of the claims of the present disclosure.Various amendments to these embodiments are apparent to those of professional skill in the art, andthe general principles defined herein may be implemented in other embodiments Without departingfrom the spirit or scope of the present disclosure. Accordingly, the present disclosure is intended tosatisfy the Widest scope consistent With the principles and novel features disclosed herein, instead of being limited to these embodiments shown herein.
Claims (6)
1. A biomass gasification conversion system comprising a baking furnace (1), a gas-solidseparation device (4), a gasifier (2), a combustion fumace (3), a first control valve (Pl), a secondcontrol valve (P2), and a third control valve (P3), Wherein a first input end of the baking fumace (1) is in communication With external flue gas With Wasteheat through the first control valve (Pl), a second input end of the baking fumace (1) inputs abiomass raw material, and an output end of the baking fumace (1) is in communication With aninput end of the gas-solid separation device (4); a first output end of the gas-solid separation device(4) is in communication With a first input end of the combustion fumace (3), and a second outputend of the gas-solid separation device (4) is in communication With a first input end of the gasifier(2); a second input end of the gasifier (2) is in communication With a first output end of thecombustion fumace (3) through the second control valve (P2), a first output end of the gasifier (2) isin communication With a second input end of the combustion furnace (3), a second output end of thegasifier (2) outputs gasified coke; and a third input end of the combustion furnace (3) is fed With anexternal fuel, and a second output end of the combustion fumace is in communication With an outside thereof through the third control valve (P3).
2. The biomass gasification conversion system according to claim 1, further comprising a firstthermocouple, a second therrnocouple, and a third therrnocouple, Wherein the first thermocouple isinstalled in the baking fumace (1), the second thermocouple is installed in the gasifier (2), and thethird thermocouple is installed in the combustion furnace (3); the first thermocouple is used for detecting a real-time temperature of the baking furnace (1); the second thermocouple is used for detecting a real-time temperature of the gasifier (2); and the third thermocouple is used for detecting a real-time temperature of the combustion furnace(3)-
3. The biomass gasification conversion system according to claim 1 or 2, Wherein a temperature of the flue gas With Waste heat is 200°C -300°C.
4. A biomass gasification conversion method, comprising: step 1, directly feeding eXtemal flue gas With Waste heat into a baking fumace (1) for heating;and inputting a biomass raw material into the baking furnace for baking, When a temperature of thebaking furnace reaches a first set temperature; step 2, conveying a gas product and a solid product generated during baking to a gas-solid separation device, When the biomass raw material is baked; step 3, conveying the gas product after being separated to a combustion furnace and the solidproduct after being separated to a gasifier, after gas-solid separation by the gas-solid separationdevice; step 4, taking high-temperature flue gas from the combustion fumace as a heat source and agasification agent; enabling, in the gasifier, a gasification reaction on the solid product from thegas-solid separation device at a second set temperature; conveying generated volatile component tothe combustion fumace; and outputting generated gasified coke as a final product to an outside ofthe gasifier; and step 5, combusting the gas product, the volatile component or an external fuel by thecombustion fumace; and providing the high-temperature flue gas as the heat source and the gasification agent for the gasifier,
5. The biomass gasification conversion method according to claim 4, Wherein the first set temperature is 200°C -300°C, and the second set temperature is 600°C -900°C.
6. The biomass gasification conversion method according to claim 4, Wherein a temperature of the flue gas With Waste heat is 200°C -300°C.
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| CN202010181504.3A CN111303942A (en) | 2020-03-16 | 2020-03-16 | A gasification-based biomass conversion system and method |
| PCT/CN2021/080917 WO2021185223A1 (en) | 2020-03-16 | 2021-03-16 | Biomass conversion system and method based on gasification |
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| CN (1) | CN111303942A (en) |
| SE (1) | SE2151189A1 (en) |
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| CN111303942A (en) * | 2020-03-16 | 2020-06-19 | 河南理工大学 | A gasification-based biomass conversion system and method |
| CN113566264A (en) * | 2021-08-09 | 2021-10-29 | 华中科技大学 | Biomass and sludge based collaborative combustion heat supply system |
| CN114437834A (en) * | 2022-01-27 | 2022-05-06 | 上海工程技术大学 | Energy utilization system and process for baking and gasifying kitchen waste |
| CN115287101A (en) * | 2022-08-15 | 2022-11-04 | 上海发电设备成套设计研究院有限责任公司 | Device and method for producing biochar and steam through biomass pyrolysis and gasification |
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| JPS6182870A (en) * | 1984-09-28 | 1986-04-26 | Kawatetsu Kohan Kk | Energy conservation process in continuous painting line of steel sheet |
| CH697942B1 (en) * | 2005-10-07 | 2009-03-31 | Solenia S A | Procedure and plant for the transformation of organic materials in the gas and coal. |
| CN101865451B (en) * | 2010-05-24 | 2012-05-09 | 叶力平 | Biomass high-temperature flue gas gasification combination coal burning boiler and low-pollution combustion method thereof |
| CN102634356B (en) * | 2012-04-13 | 2013-06-19 | 青岛大学 | A charcoal preparation device for biomass raw materials |
| CN104877690B (en) * | 2015-06-09 | 2018-05-25 | 浙江宜可欧环保科技有限公司 | A kind of organic waste matter pyrolysis charring processing method and processing device |
| CN106977068A (en) * | 2017-04-14 | 2017-07-25 | 中国科学院广州能源研究所 | A kind of method for improving sludge carbon yield |
| CN107033935A (en) * | 2017-05-11 | 2017-08-11 | 张家港市昇泰能源有限公司 | One kind gasification equipment for preparing charcoal and gasification charcoal processing technique |
| CN111303942A (en) * | 2020-03-16 | 2020-06-19 | 河南理工大学 | A gasification-based biomass conversion system and method |
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| CN111303942A (en) | 2020-06-19 |
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