WO2010004758A1 - ガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法及び装置 - Google Patents
ガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法及び装置 Download PDFInfo
- Publication number
- WO2010004758A1 WO2010004758A1 PCT/JP2009/003225 JP2009003225W WO2010004758A1 WO 2010004758 A1 WO2010004758 A1 WO 2010004758A1 JP 2009003225 W JP2009003225 W JP 2009003225W WO 2010004758 A1 WO2010004758 A1 WO 2010004758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- medium
- fluid medium
- gasification furnace
- fluidized
- gasification
- Prior art date
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/463—Gasification of granular or pulverulent flues in suspension in stationary fluidised beds
-
- 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
- C10J3/723—Controlling or regulating the gasification process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
- F23C10/30—Control devices specially adapted for fluidised bed, combustion apparatus for controlling the level of the bed or the amount of material in the bed
-
- 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
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0983—Additives
- C10J2300/0993—Inert particles, e.g. as heat exchange medium in a fluidized or moving bed, heat carriers, sand
-
- 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
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
- C10J2300/1637—Char combustion
-
- 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
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/026—Dust removal by centrifugal forces
-
- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Definitions
- the present invention relates to a fluid medium residence time control method and apparatus for a fluidized bed gasification furnace in a gasification facility.
- FIG. 1 shows an example of a gasification facility that is under development.
- the gasification facility forms a fluidized bed 1 of fluidized medium (eg, sand, limestone, etc.) using steam (raw material ( Gasification furnace 2 for gasification of coal, biomass, tire chips, etc.) to produce gasified gas and combustible solids, and a combustible solid produced in the gasifier 2 together with a fluidized medium 3 and a combustion furnace 5 for combusting the combustible solid by forming a fluidized bed 4 with a fluid gas such as air or oxygen, and combustion introduced from the combustion furnace 5 through an exhaust gas pipe 6
- a medium separation device 8 such as a hot cyclone that separates the fluidized medium from the exhaust gas and supplies the separated fluidized medium to the gasification furnace 2 via the downcomer 7, and the gasification gas generated in the gasification furnace 2
- Hot cyclone separating fluid media And media separator 9 has a provided comprising constituting a collecting container 10 for collecting the fluidized medium separated by
- 11 is a dispersion plate for uniformly blowing steam introduced into the bottom of the gasification furnace 2 into the fluidized bed 1
- 12 is a flow gas introduced into the bottom of the combustion furnace 5. It is a dispersion plate for uniformly blowing into the fluidized bed 4.
- the fluidized bed 1 is formed by steam in the gasification furnace 2, and when raw materials such as coal, biomass, tire chips, etc. are input thereto, the raw material is steam gas.
- the gasified gas and combustible solids are produced, and the combustible solids produced in the gasification furnace 2 are transferred from the introduction pipe 3 together with the fluidized medium to the fluidized bed 4 by the fluidizing gas.
- the combustible solid content is combusted by being introduced into the formed combustion furnace 5, and the combustion exhaust gas from the combustion furnace 5 is introduced into a medium separator 8 such as a hot cyclone through the exhaust gas pipe 6, In the medium separator 8, a fluid medium is separated from the combustion exhaust gas, and the separated fluid medium is returned to the gasification furnace 2 through a downcomer 7 and circulated.
- a medium separator 8 such as a hot cyclone
- the gasified gas generated in the gasification furnace 2 is separated into a fluid medium by a medium separator 9 such as a hot cyclone, and the fluid medium separated by the medium separator 9 is recovered in a recovery container 10.
- a medium separator 9 such as a hot cyclone
- the raw material is not charged into the gasification furnace 2, and the coal, Fuel, such as biomass and tire chips, is charged into the combustion furnace 5 for preheating and combusted, and the fluidized medium that has become hot due to the combustion of fuel in the combustion furnace 5 passes through the exhaust gas pipe 6 together with the combustion exhaust gas.
- the medium separation device 8 By being separated by the medium separation device 8 and supplied to the gasification furnace 2 via the downcomer 7, circulation preheating of the gasification equipment is performed.
- the temperature of the gasification furnace 2 in the gasification equipment as described above is controlled by the circulation amount of the fluidized medium that becomes high. That is, if the circulating amount of the fluidized medium is increased, the temperature of the gasifier 2 is increased, and if the circulating amount of the fluidized medium is decreased, the temperature of the gasifier 2 is decreased.
- the circulation amount of the fluid medium is usually controllable by adjusting the flow rate of the fluid gas introduced into the bottom of the combustion furnace 5.
- the gasification rate (carbon conversion rate) of the raw material charged into the gasification furnace 2 depends on the temperature of the fluid medium in the gasification furnace 2 and the fluid medium remaining in the gasification furnace 2. Largely affected by residence time.
- the temperature of the gasification furnace 2 can be reduced by reducing the circulation amount of the fluidized medium.
- increasing the circulation amount of the fluidized medium and increasing the temperature of the gasification furnace 2 is one method. Become a method.
- Patent Document 1 is available.
- Patent Document 2 As a biomass fuel gasification apparatus in which the gasification furnace temperature is made constant according to the load by controlling the circulation amount of the fluidized medium, there is, for example, Patent Document 2.
- JP 2002-98308 A Japanese Unexamined Patent Publication No. Sho 63-120825
- the gasification furnace is configured to reduce the circulation amount of the fluidized medium by reducing the carbon conversion rate.
- the temperature of 2 is lowered, the volume of the fluid medium in the gasification furnace 2 is constant as long as the fluid medium is not drawn out of the system, so that the residence time of the fluid medium remaining in the gasification furnace 2 increases. As a result, the carbon conversion rate may not change much.
- the present invention can adjust the residence time of the fluid medium remaining in the gasification furnace separately from the temperature of the fluid medium in the gasification furnace, and is charged into the gasification furnace. It is an object of the present invention to provide a fluidized medium residence time control method and apparatus for a fluidized bed gasification furnace in a gasification facility that can change the gasification rate of the raw material, that is, the carbon conversion rate, as required.
- the present invention provides a gasification furnace that forms a fluidized bed of a fluidized medium with steam to generate gasified gas and combustible solid content, and a combustible gas generated in the gasification furnace.
- a combustible solid content is introduced together with a fluidized medium, and a fluidized bed is formed with a fluidizing gas to burn the combustible solid content, and the fluidized medium is separated from the combustion exhaust gas introduced from the combustion furnace.
- a fluidized medium residence time control method for a fluidized bed gasification furnace in a gasification facility comprising a medium separator for supplying the fluidized medium to the gasification furnace,
- the fluidizing medium is guided to one of a plurality of fluid medium input ports connected to the gasification furnace at intervals from the upstream end portion in the longitudinal direction of the fluidizing medium to the downstream side, and the fluidizing medium.
- Controlling the fluid medium residence time of the fluidized bed gasification furnace in the gasification facility by controlling the residence time of the fluidization medium of the gasification furnace by extracting the fluid medium from the extraction port and guiding it to the combustion furnace. It depends on the method.
- the present invention comprises a gasification furnace that forms a fluidized bed of a fluidized medium with steam and gasifies a raw material that is input to generate a gasified gas and a combustible solid, and a gasification furnace that generates the gasified gas.
- a combustible solid is introduced together with a fluidized medium, and a fluidized bed is formed with a fluidizing gas to burn the combustible solid, and the fluidized medium is separated from the combustion exhaust gas introduced from the combustion furnace.
- a fluidized medium residence time control device for a fluidized bed gasification furnace in a gasification facility comprising a medium separation device for supplying the separated fluidized medium to the gasification furnace, A plurality of fluid medium input ports connected to the gasification furnace at intervals from the upstream end in the flow direction of the fluid medium in the longitudinal direction toward the downstream side; Fluid medium input switching means for guiding the fluid medium separated by the medium separator to any one of the plurality of fluid medium input ports; A plurality of raw material charging ports connected to the gasification furnace at intervals from the upstream side end in the flow direction of the flowing medium to the downstream side so as to correspond to the plurality of fluid medium charging ports; Raw material input switching means for introducing the raw material to any of the plurality of raw material input ports; A fluid medium extraction port connected to the downstream end of the fluidizing medium in the longitudinal direction of the gasification furnace and extracting the fluid medium from the gasification furnace and leading it to the combustion furnace.
- This relates to a fluidized medium residence time control device for a fluidized bed gasification furnace in
- the temperature of the gasification furnace is lowered by reducing the circulation amount of the fluidized medium.
- the volume of the fluid medium in the gasification furnace is constant as long as the fluid medium is not drawn out of the system, but in this case, the fluid medium introduction port is set so that the fluid medium introduction position is closer to the extraction side. Is selected, the distance to the fluid medium extraction port is shortened, and the residence time of the fluid medium remaining in the gasification furnace is prevented from increasing, and the carbon conversion rate can be lowered.
- the raw material may be introduced to the raw material input port corresponding to the fluid medium input port through which the fluid medium is introduced, and the raw material may be input to the gasifier from the raw material input port.
- the fluidized medium input switching means In the fluidized medium residence time control device of the fluidized bed gasification furnace in the gasification facility, the fluidized medium input switching means, A downcomer for flowing down the fluid medium separated from the combustion exhaust gas by the medium separator; A horizontal seal portion extending horizontally to branch from the lower end of the downcomer to each fluid medium input port; A vertical seal portion extending so as to rise from the tip of each horizontal seal portion; An inclined connecting pipe part that is folded downward from the upper end of each vertical seal part and connected to each fluid medium input port; A wind box capable of feeding a flowing gas to each horizontal seal portion and each vertical seal portion via a dispersion plate; A flow gas supply line connected to each of the wind boxes; And a flow gas switching valve provided in the middle of each flow gas supply line.
- the raw material input switching means is A raw material supply line connected to each raw material input port; And a raw material switching valve provided in the middle of each raw material supply line.
- the fluid medium residence time in the gasification furnace is the temperature of the fluidization medium in the gasification furnace. It can be adjusted individually, and an excellent effect that the gasification rate of the raw material charged into the gasification furnace, that is, the carbon conversion rate, can be changed as required can be obtained.
- FIG. 4 is a side sectional view showing a fluid medium input switching means in the embodiment of the present invention, and is a view corresponding to IV-IV in FIG. 3.
- FIGS. 2 to 4 show embodiments of the present invention.
- the same reference numerals as those in FIG. 1 denote the same parts, and the basic configuration is the same as that of the conventional one shown in FIG.
- the feature of this embodiment is that, as shown in FIGS. 2 to 4, the gasification furnace 2 is spaced from the upstream end portion in the flow direction of the fluid medium in the longitudinal direction toward the downstream side.
- a plurality of fluid medium input ports 20a, 20b, 20c are connected to each other, and the fluid medium separated by the medium separator 8 to any one of the plurality of fluid medium input ports 20a, 20b, 20c is guided from the downcomer 7.
- An input switching means 21 is provided, and is spaced from the upstream end portion in the flow direction of the fluid medium in the longitudinal direction toward the downstream side with respect to the gasifier 2 so as to correspond to the plurality of fluid medium input ports 20a, 20b, 20c. Open multiple originals
- a raw material input switching means 23 for connecting the input ports 22a, 22b, and 22c and introducing the raw material to any of the plurality of raw material input ports 22a, 22b, and 22c is provided, and the fluidizing medium in the longitudinal direction of the gasifier 2 is provided.
- the fluid medium extraction port 24 is connected to the downstream end portion in the flow direction of the gas to extract the fluid medium from the gasification furnace 2 and lead it to the introduction pipe 3 of the combustion furnace 5.
- the fluid medium input switching means 21 is provided with a horizontal seal portion from the lower end of the downcomer 7 that causes the fluid medium separated from the combustion exhaust gas by the medium separator 8 to flow down.
- 25a, 25b, and 25c are extended horizontally so as to branch to the respective fluid medium input ports 20a, 20b, and 20c, and the vertical seal portions 26a, 26b, and 26c rise from the tips of the horizontal seal portions 25a, 25b, and 25c.
- the inclined connecting pipe portions 27a, 27b, and 27c are folded downward from the upper ends of the vertical seal portions 26a, 26b, and 26c and connected to the fluid medium input ports 20a, 20b, and 20c.
- Wind boxes 29a, 29b, 29c capable of supplying gas are provided, and flow gas supply lines 30a, 30b, 30c are connected to the respective wind boxes 29a, 29b, 29c, and each of the flow gas supply lines 30a, 30b is connected.
- 30c are provided with flow gas switching valves 31a, 31b, 31c in the middle, and the opening degree of the flow gas switching valves 31a, 31b, 31c is controlled to obtain desired wind boxes 29a, 29b, 29c.
- the fluid medium in the corresponding horizontal seal portions 25a, 25b, and 25c and the vertical seal portions 26a, 26b, and 26c is fluidized by feeding the fluid gas to the fluid medium and separated by the medium separator 8 Can be led from the downcomer 7 to any one of the fluid medium input ports 20a, 20b, and 20c.
- Each of the dispersion plates 28a, 28b, 28c is provided with a number of ejection nozzles 32a, 32b, 32c that can eject the flow gas.
- the raw material input switching means 23 connects raw material supply lines 33a, 33b, 33c to the respective raw material input ports 22a, 22b, 22c, and halfway through the respective raw material supply lines 33a, 33b, 33c.
- raw material switching valves 34a, 34b, 34c are provided with raw material switching valves 34a, 34b, 34c, and by controlling the opening of the raw material switching valves 34a, 34b, 34c, fluid medium input ports 20a, 20b, to which the fluid medium is guided, are provided.
- the raw material can be guided to the raw material input ports 22a, 22b, and 22c corresponding to any one of 20c.
- the raw material switching valve 34a of the raw material charging switching means 23 is opened, the raw material switching valves 34b and 34c are closed, and the raw material is guided to the raw material charging port 22a corresponding to the fluid medium charging port 20a through which the fluid medium is guided,
- the raw material may be input to the gasification furnace 2 from the raw material input port 22a.
- the temperature of the gasification furnace 2 can be reduced by reducing the circulation amount of the fluidized medium.
- the volume of the fluidized medium in the gasification furnace 2 is constant as long as the fluidized medium is not drawn out of the system, but in this case, the feeding position of the fluidized medium is made closer to the outlet side. That is, only the flow gas switching valve 31c is opened, the flow gas switching valves 31a and 31b are closed, and the flow gas is supplied to the wind box 29c, so that the inside of the corresponding horizontal seal portion 25c and vertical seal portion 26c.
- the fluid medium separated by the medium separator 8 is guided from the downcomer 7 to the fluid medium introduction port 20c, and the fluid medium is introduced into the gasification furnace 2 from the fluid medium introduction port 20c.
- the distance to the fluid medium extraction port 24 is shortened from L1 to L3, and it is avoided that the residence time of the fluid medium remaining in the gasification furnace 2 is increased, and the carbon conversion rate is lowered. It becomes possible.
- only the raw material switching valve 34c is opened, the raw material switching valves 34a and 34b are closed, the raw material is guided to the raw material charging port 22c corresponding to the fluid medium charging port 20c through which the fluid medium is guided, and gas is supplied from the raw material charging port 22c. What is necessary is just to put a raw material into the conversion furnace 2.
- the flow gas switching valve 31b is opened, the flow gas switching valves 31a and 31c are closed, and the flow gas is supplied to the wind box 29b, so that the corresponding horizontal seal portions 25b and vertical If the fluid medium in the seal portion 26b is fluidized, the fluid medium separated by the medium separator 8 is guided from the downcomer 7 to the fluid medium input port 20b and gasified from the fluid medium input port 20b. The fluid medium is charged into the furnace 2 and the distance to the fluid medium extraction port 24 can be changed to L2.
- the circulating amount of the fluid medium is kept constant without changing, and the fluid medium separated by the medium separator 8 is guided from the downcomer 7 to any one of the fluid medium input ports 20a, 20b, 20c, and the fluid medium It is also possible to change the residence time while keeping the temperature constant by introducing the raw material to the raw material input ports 22a, 22b, and 22c corresponding to any of the fluid medium input ports 20a, 20b, and 20c to which the liquid is introduced.
- the fluid medium is stable with respect to the desired fluid medium input ports 20a, 20b, and 20c without providing a movable mechanism portion or the like in the system for introducing the high-temperature fluid medium into the gasification furnace 2.
- the distribution can be performed, and the temperature of the fluid medium in the gasification furnace 2 and the residence time of the fluid medium remaining in the gasification furnace 2 can be changed separately.
- the residence time of the fluid medium remaining in the gasification furnace 2 can be adjusted separately from the temperature of the fluid medium in the gasification furnace 2, and the gasification rate of the raw material charged into the gasification furnace 2 That is, the carbon conversion rate can be changed as required.
- FIG. 1 of Patent Document 1 discloses a circulating fluidized bed combustion apparatus in which the return position of the fluidized medium to the combustion furnace of the circulating fluidized bed is changed to maintain the stability of the combustion state.
- This is only a combustion furnace, which is completely different from a gasification furnace that controls the residence time, and although the flow medium is distributed by changing the amount of air to the loop seal, The downcomer itself is branched into three, and it is considered difficult to stably distribute the fluid medium.
- the fluid medium residence time control method and apparatus of the fluidized bed gasification furnace in the gasification facility of the present invention are not limited to the above-described embodiments, and the number of fluid medium input ports and raw material input ports are respectively It is not limited to three, but can be two or four or more, and the fluid medium input port can be connected to the side instead of the upper surface of the gasifier, etc.
- the number of fluid medium input ports and raw material input ports are respectively It is not limited to three, but can be two or four or more, and the fluid medium input port can be connected to the side instead of the upper surface of the gasifier, etc.
- various modifications can be made without departing from the scope of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
Description
前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の流動媒体投入ポートのいずれかに流動媒体を導くと共に、該流動媒体投入ポートと対応するガス化炉の長手方向複数箇所に接続された原料投入ポートに原料を導き、前記ガス化炉に対しその長手方向における流動媒体の流通方向下流側端部に接続された流動媒体抜出ポートから流動媒体を抜き出して前記燃焼炉へ導くことにより、前記ガス化炉の流動媒体の滞留時間を制御することを特徴とするガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法にかかるものである。
前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の流動媒体投入ポートと、
該複数の流動媒体投入ポートのいずれかに前記媒体分離装置で分離された流動媒体を導く流動媒体投入切換手段と、
前記複数の流動媒体投入ポートと対応するよう、前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の原料投入ポートと、
該複数の原料投入ポートのいずれかに原料を導く原料投入切換手段と、
前記ガス化炉に対しその長手方向における流動媒体の流通方向下流側端部に接続され且つ前記ガス化炉から流動媒体を抜き出して前記燃焼炉へ導く流動媒体抜出ポートと
を備えたことを特徴とするガス化設備における流動層ガス化炉の流動媒体滞留時間制御装置にかかるものである。
前記媒体分離装置で燃焼排ガスより分離された流動媒体を流下させるダウンカマーと、
該ダウンカマーの下端から各流動媒体投入ポートへ向け分岐するよう水平に延びる水平シール部と、
該各水平シール部の先端から立ち上がるように延びる垂直シール部と、
該各垂直シール部の上端から下方へ向け折り返され且つ前記各流動媒体投入ポートに接続される傾斜連結管部と、
前記各水平シール部及び各垂直シール部に対し分散板を介して流動用ガスを送給可能なウインドボックスと、
該各ウインドボックスに接続された流動用ガス供給ラインと、
該各流動用ガス供給ライン途中に設けられた流動用ガス切換弁と
から構成することができる。
前記各原料投入ポートに接続された原料供給ラインと、
該各原料供給ライン途中に設けられた原料切換弁と
から構成することができる。
2 ガス化炉
3 導入管
4 流動層
5 燃焼炉
7 ダウンカマー
8 媒体分離装置
20a 流動媒体投入ポート
20b 流動媒体投入ポート
20c 流動媒体投入ポート
21 流動媒体投入切換手段
22a 原料投入ポート
22b 原料投入ポート
22c 原料投入ポート
23 原料投入切換手段
24 流動媒体抜出ポート
25a 水平シール部
25b 水平シール部
25c 水平シール部
26a 垂直シール部
26b 垂直シール部
26c 垂直シール部
27a 傾斜連結管部
27b 傾斜連結管部
27c 傾斜連結管部
28a 分散板
28b 分散板
28c 分散板
29a ウインドボックス
29b ウインドボックス
29c ウインドボックス
30a 流動用ガス供給ライン
30b 流動用ガス供給ライン
30c 流動用ガス供給ライン
31a 流動用ガス切換弁
31b 流動用ガス切換弁
31c 流動用ガス切換弁
33a 原料供給ライン
33b 原料供給ライン
33c 原料供給ライン
34a 原料切換弁
34b 原料切換弁
34c 原料切換弁
Claims (4)
- 蒸気により流動媒体の流動層を形成して投入される原料のガス化を行いガス化ガスと可燃性固形分とを生成するガス化炉と、該ガス化炉で生成された可燃性固形分が流動媒体と共に導入され且つ流動用ガスにより流動層を形成して前記可燃性固形分の燃焼を行う燃焼炉と、該燃焼炉から導入される燃焼排ガスより流動媒体を分離し該分離した流動媒体を前記ガス化炉に供給する媒体分離装置とを備えたガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法であって、
前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の流動媒体投入ポートのいずれかに流動媒体を導くと共に、該流動媒体投入ポートと対応するガス化炉の長手方向複数箇所に接続された原料投入ポートに原料を導き、前記ガス化炉に対しその長手方向における流動媒体の流通方向下流側端部に接続された流動媒体抜出ポートから流動媒体を抜き出して前記燃焼炉へ導くことにより、前記ガス化炉の流動媒体の滞留時間を制御することを特徴とするガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法。 - 蒸気により流動媒体の流動層を形成して投入される原料のガス化を行いガス化ガスと可燃性固形分とを生成するガス化炉と、該ガス化炉で生成された可燃性固形分が流動媒体と共に導入され且つ流動用ガスにより流動層を形成して前記可燃性固形分の燃焼を行う燃焼炉と、該燃焼炉から導入される燃焼排ガスより流動媒体を分離し該分離した流動媒体を前記ガス化炉に供給する媒体分離装置とを備えたガス化設備における流動層ガス化炉の流動媒体滞留時間制御装置であって、
前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の流動媒体投入ポートと、
該複数の流動媒体投入ポートのいずれかに前記媒体分離装置で分離された流動媒体を導く流動媒体投入切換手段と、
前記複数の流動媒体投入ポートと対応するよう、前記ガス化炉に対しその長手方向における流動媒体の流通方向上流側端部から下流側へ向け間隔をあけて接続された複数の原料投入ポートと、
該複数の原料投入ポートのいずれかに原料を導く原料投入切換手段と、
前記ガス化炉に対しその長手方向における流動媒体の流通方向下流側端部に接続され且つ前記ガス化炉から流動媒体を抜き出して前記燃焼炉へ導く流動媒体抜出ポートと
を備えたことを特徴とするガス化設備における流動層ガス化炉の流動媒体滞留時間制御装置。 - 前記流動媒体投入切換手段を、
前記媒体分離装置で燃焼排ガスより分離された流動媒体を流下させるダウンカマーと、
該ダウンカマーの下端から各流動媒体投入ポートへ向け分岐するよう水平に延びる水平シール部と、
該各水平シール部の先端から立ち上がるように延びる垂直シール部と、
該各垂直シール部の上端から下方へ向け折り返され且つ前記各流動媒体投入ポートに接続される傾斜連結管部と、
前記各水平シール部及び各垂直シール部に対し分散板を介して流動用ガスを送給可能なウインドボックスと、
該各ウインドボックスに接続された流動用ガス供給ラインと、
該各流動用ガス供給ライン途中に設けられた流動用ガス切換弁と
から構成した請求項2記載のガス化設備における流動層ガス化炉の流動媒体滞留時間制御装置。 - 前記原料投入切換手段を、
前記各原料投入ポートに接続された原料供給ラインと、
該各原料供給ライン途中に設けられた原料切換弁と
から構成した請求項2又は3記載のガス化設備における流動層ガス化炉の流動媒体滞留時間制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009269407A AU2009269407B2 (en) | 2008-07-11 | 2009-07-10 | Method and device for controlling retention time of fluid medium in fluidized-bed gasification furnace in gasification facility |
US13/002,575 US8667913B2 (en) | 2008-07-11 | 2009-07-10 | Method and device for controlling retention time of fluid medium in fluidized-bed gasification furnace in gasification facility |
CN200980126886.1A CN102089408B (zh) | 2008-07-11 | 2009-07-10 | 气化设备中的流化床气化炉的流化介质滞留时间控制方法及装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008181952A JP5282465B2 (ja) | 2008-07-11 | 2008-07-11 | ガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法及び装置 |
JP2008-181952 | 2008-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010004758A1 true WO2010004758A1 (ja) | 2010-01-14 |
Family
ID=41506882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/003225 WO2010004758A1 (ja) | 2008-07-11 | 2009-07-10 | ガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8667913B2 (ja) |
JP (1) | JP5282465B2 (ja) |
CN (1) | CN102089408B (ja) |
AU (1) | AU2009269407B2 (ja) |
WO (1) | WO2010004758A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010018748A (ja) * | 2008-07-11 | 2010-01-28 | Ihi Corp | ガス化設備における流動層ガス化炉の多種原料選択切換制御方法及び装置 |
JP2012087235A (ja) * | 2010-10-21 | 2012-05-10 | Ihi Corp | ガス生成量制御方法及びガス生成量制御装置 |
WO2021025116A1 (ja) * | 2019-08-08 | 2021-02-11 | 株式会社Ihi | ガス化ガス生成システム |
WO2021229990A1 (ja) * | 2020-05-12 | 2021-11-18 | 株式会社Ihi | ガス化ガス製造装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103958398B (zh) | 2011-09-27 | 2016-01-06 | 国际热化学恢复股份有限公司 | 合成气净化系统和方法 |
JP2013189510A (ja) * | 2012-03-13 | 2013-09-26 | Ihi Corp | 循環式ガス化炉 |
IN2014DN11229A (ja) * | 2012-07-17 | 2015-10-02 | Pyroneer As | |
US9862901B2 (en) | 2013-07-17 | 2018-01-09 | Pyroneer A/S | Apparatus and methods for gasification |
CN105419879B (zh) * | 2015-11-05 | 2020-07-10 | 东华工程科技股份有限公司 | 一种煤物质催化分解及高温分离的装置及方法 |
US10286431B1 (en) * | 2016-03-25 | 2019-05-14 | Thermochem Recovery International, Inc. | Three-stage energy-integrated product gas generation method |
EP3464519B1 (en) * | 2016-06-03 | 2023-10-25 | Wildfire Energy Pty Ltd | Production of a gas and methods therefor |
US10364398B2 (en) | 2016-08-30 | 2019-07-30 | Thermochem Recovery International, Inc. | Method of producing product gas from multiple carbonaceous feedstock streams mixed with a reduced-pressure mixing gas |
TWI707031B (zh) * | 2018-12-12 | 2020-10-11 | 行政院原子能委員會核能研究所 | 具共用結構之氣化反應器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63120825A (ja) * | 1986-11-11 | 1988-05-25 | Mitsui Eng & Shipbuild Co Ltd | バイオマス燃料ガス化装置 |
JP2002098308A (ja) * | 2000-09-22 | 2002-04-05 | Nkk Corp | 循環流動層燃焼装置 |
JP2003148707A (ja) * | 2001-11-13 | 2003-05-21 | Babcock Hitachi Kk | 流動層装置及び流動層発電システム |
JP2005041959A (ja) * | 2003-07-25 | 2005-02-17 | Ishikawajima Harima Heavy Ind Co Ltd | 流動層ガス化システム |
JP2007112872A (ja) * | 2005-10-19 | 2007-05-10 | Ishikawajima Harima Heavy Ind Co Ltd | 燃料ガス化設備 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1028538C (zh) * | 1990-06-09 | 1995-05-24 | 江苏工学院 | 一种水煤气气化方法及其装置 |
HU9201539D0 (en) * | 1990-09-11 | 1992-08-28 | Kortec Ag | Method and device for gasifying gasifiable materials and/or transforming gas as well as heat exchanger of high temperature for executing said method |
CN1029689C (zh) * | 1992-01-23 | 1995-09-06 | 浙江大学 | 循环流化床燃气蒸汽联产工艺及装置 |
DE19945771C1 (de) * | 1999-09-24 | 2001-02-22 | Muehlen Gmbh & Co Kg Dr | Verfahren zur Vergasung von organischen Stoffen und Stoffgemischen |
CN1173015C (zh) * | 2002-05-12 | 2004-10-27 | 郑州永泰能源新设备有限公司 | 一种外配副床反应器的流化床水煤气生产方法及装置 |
-
2008
- 2008-07-11 JP JP2008181952A patent/JP5282465B2/ja active Active
-
2009
- 2009-07-10 WO PCT/JP2009/003225 patent/WO2010004758A1/ja active Application Filing
- 2009-07-10 AU AU2009269407A patent/AU2009269407B2/en not_active Ceased
- 2009-07-10 US US13/002,575 patent/US8667913B2/en active Active
- 2009-07-10 CN CN200980126886.1A patent/CN102089408B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63120825A (ja) * | 1986-11-11 | 1988-05-25 | Mitsui Eng & Shipbuild Co Ltd | バイオマス燃料ガス化装置 |
JP2002098308A (ja) * | 2000-09-22 | 2002-04-05 | Nkk Corp | 循環流動層燃焼装置 |
JP2003148707A (ja) * | 2001-11-13 | 2003-05-21 | Babcock Hitachi Kk | 流動層装置及び流動層発電システム |
JP2005041959A (ja) * | 2003-07-25 | 2005-02-17 | Ishikawajima Harima Heavy Ind Co Ltd | 流動層ガス化システム |
JP2007112872A (ja) * | 2005-10-19 | 2007-05-10 | Ishikawajima Harima Heavy Ind Co Ltd | 燃料ガス化設備 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010018748A (ja) * | 2008-07-11 | 2010-01-28 | Ihi Corp | ガス化設備における流動層ガス化炉の多種原料選択切換制御方法及び装置 |
JP2012087235A (ja) * | 2010-10-21 | 2012-05-10 | Ihi Corp | ガス生成量制御方法及びガス生成量制御装置 |
WO2021025116A1 (ja) * | 2019-08-08 | 2021-02-11 | 株式会社Ihi | ガス化ガス生成システム |
JPWO2021025116A1 (ja) * | 2019-08-08 | 2021-02-11 | ||
WO2021229990A1 (ja) * | 2020-05-12 | 2021-11-18 | 株式会社Ihi | ガス化ガス製造装置 |
JPWO2021229990A1 (ja) * | 2020-05-12 | 2021-11-18 | ||
JP7311044B2 (ja) | 2020-05-12 | 2023-07-19 | 株式会社Ihi | ガス化ガス製造装置 |
Also Published As
Publication number | Publication date |
---|---|
US8667913B2 (en) | 2014-03-11 |
AU2009269407B2 (en) | 2012-07-12 |
AU2009269407A1 (en) | 2010-01-14 |
US20110107945A1 (en) | 2011-05-12 |
CN102089408A (zh) | 2011-06-08 |
JP2010018747A (ja) | 2010-01-28 |
CN102089408B (zh) | 2013-10-16 |
JP5282465B2 (ja) | 2013-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2010004758A1 (ja) | ガス化設備における流動層ガス化炉の流動媒体滞留時間制御方法及び装置 | |
AU2007348498B2 (en) | Apparatus for controlling grain circulation amount in circulatory fluidized bed furnace | |
JP5309745B2 (ja) | ガス化設備における流動層ガス化炉の層高制御方法及び装置 | |
JP5256662B2 (ja) | 流動層ガス化方法及び設備 | |
JP4835581B2 (ja) | 循環流動層改質装置 | |
KR20100015559A (ko) | 가스화기 | |
CZ20014156A3 (cs) | Zařízení pro zplyňování uhlíkatého vsázkového materiálu | |
JP5256802B2 (ja) | ガス化設備のガス化炉構造 | |
US20240093865A1 (en) | Bubbling Fluidized Bed Reactor | |
US9428701B2 (en) | Fluidized-bed gasification method and facility therefor | |
JP4998551B2 (ja) | 流動層ガス化設備 | |
KR20110096571A (ko) | 순산소연소 순환 유동층 반응기, 상기 반응기의 작동 방법, 및 순환 유동층 반응기를 업그레이드하는 방법 | |
JP5282466B2 (ja) | ガス化設備における流動層ガス化炉の多種原料選択切換制御方法及び装置 | |
US9687806B2 (en) | Fluidized bed reactor system | |
JP2009222295A (ja) | ガス化設備のパージ方法及び装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980126886.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09794205 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009269407 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13002575 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2009269407 Country of ref document: AU Date of ref document: 20090710 Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 09794205 Country of ref document: EP Kind code of ref document: A1 |