WO2014148556A1 - ガス化ガス生成システム - Google Patents
ガス化ガス生成システム Download PDFInfo
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- WO2014148556A1 WO2014148556A1 PCT/JP2014/057554 JP2014057554W WO2014148556A1 WO 2014148556 A1 WO2014148556 A1 WO 2014148556A1 JP 2014057554 W JP2014057554 W JP 2014057554W WO 2014148556 A1 WO2014148556 A1 WO 2014148556A1
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- gasification
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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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/482—Gasifiers with stationary fluidised bed
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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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
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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
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
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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
- C10J2200/00—Details of gasification apparatus
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
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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
- 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
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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
- 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
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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
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1246—Heating the gasifier by external or indirect heating
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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
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1606—Combustion processes
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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
- 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
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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
- 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
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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
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1853—Steam reforming, i.e. injection of steam only
Definitions
- the present invention relates to a gasification gas generation system that generates gasification gas by gasifying a gasification raw material.
- This application claims priority based on Japanese Patent Application No. 2013-57509 for which it applied to Japan on March 21, 2013, and uses the content here.
- gasification raw materials such as coal, biomass, and tire chips instead of petroleum
- the gasified gas thus generated is used for power generation systems, hydrogen production, synthetic fuel (synthetic petroleum) production, chemical fertilizer (urea) and other chemical products.
- gasification raw materials used as raw materials for gasification gas in particular, coal has a recoverable period of about 150 years, more than three times the recoverable period of oil, and reserves are unevenly distributed compared to oil. Therefore, it is expected as a natural resource that can be stably supplied over a long period of time.
- Patent Document 1 As a technology for gasifying gasification raw materials such as coal, a technology for gasifying gasification raw materials (steam gasification) has been developed in a gasification furnace in which a fluidized medium forms a fluidized bed with steam at about 800 ° C. (For example, Patent Document 1).
- Patent Document 1 using a device including a combustion furnace and a gasification furnace, a fluid medium heated in the combustion furnace is introduced into the gasification furnace, and the gasification raw material is gasified in the gasification furnace. A fluid medium is introduced from the furnace to the combustion furnace. Thus, in the technique of Patent Document 1, the fluid medium circulates between the combustion furnace and the gasification furnace. In the technique of Patent Document 1, the residue (char) of the gasified raw material after gasification is introduced into the combustion furnace together with the fluidized medium, and the fluidized medium is heated by burning the residue in the combustion furnace. Also, Patent Document 2 to Patent Document 5 describe gasifiers using a fluidized medium.
- Japanese Patent No. 3933105 Japanese Unexamined Patent Publication No. 2005-41959 Japanese Unexamined Patent Publication No. 7-35322 Japanese Unexamined Patent Publication No. 2003-176486 Japanese Unexamined Patent Publication No. 2013-46893
- the fuel of the combustion furnace is a residue of the gasification raw material. Therefore, the amount of heating of the fluid medium in the combustion furnace is the difference between the amount of heat generated by burning the residue and the amount of heat released from the combustion furnace.
- the amount of residue introduced into the combustion furnace depends on the amount of gasification gas produced required in the gasification furnace, and the amount of heat released from the combustion furnace depends on the size (volume) of the combustion furnace. More specifically, the smaller the combustion furnace, that is, the smaller the scale of the gasification gas generation system, the larger the surface area (specific surface area) relative to the volume of the combustion furnace, so the heat radiation from the combustion furnace increases. The larger the combustion furnace, the smaller the specific surface area, so the amount of heat released from the combustion furnace becomes smaller.
- the scale of the gasification gas generation system when the scale of the gasification gas generation system is expanded for the purpose of increasing the generation amount of the gasification gas, the amount of residue introduced into the combustion furnace increases and the amount of heat released from the combustion furnace decreases.
- the amount of heating of the fluid medium in the combustion furnace becomes too large (the combustion furnace is overheated).
- the fluid medium may dissolve and not function as a fluid medium.
- the temperature of the fluidized medium rises too much, it is necessary to increase the heat resistance strength of the combustion furnace, piping connecting the combustion furnace and the gasification furnace, and the cost increases.
- the present invention provides a gasification gas generation system capable of preventing overheating of a combustion furnace without reducing the amount of gasification gas generation in the gasification gas generation system. It is an object.
- a gasified gas generation system includes a combustion furnace for heating a fluidized medium, a fluidized medium heated by the combustion furnace, and gasifying a gasification raw material with heat of the fluidized medium.
- a gasification furnace that generates gasification gas, and a cooling mechanism that cools a fluid medium flowing between the gasification furnace and the combustion furnace.
- a fluid medium circulates between the combustion furnace and the gasification furnace, and the residue of the fluid medium and the gasification raw material is introduced into the combustion furnace from the gasification furnace, and the combustion furnace burns the residue and flows. Heat the medium.
- the cooling mechanism is provided on the downstream side of the gasification furnace, and the fluid medium flowing through the upstream side of the combustion furnace is provided. Cooling.
- the gasified gas generation system is the gasification gas generation system according to the first or second aspect, wherein the temperature measurement unit measures the temperature of the fluidized medium at the inlet of the combustion furnace and the temperature measurement unit. And a control unit that controls the cooling mechanism so as to cool the fluidized medium to a predetermined temperature range based on the set temperature.
- a gasification gas generation system is the gasification gas generated in the gasification furnace provided in the first to third aspects between the gasification furnace and the combustion furnace.
- a loop seal is provided to prevent either or both of gas outflow to the combustion furnace and gas inflow from the combustion furnace to the gasification furnace, and a cooling mechanism cools the fluidized medium within the loop seal.
- the cooling mechanism cools the fluid medium by exchanging heat between the water and the fluid medium. Generates water vapor. Further, the cooling mechanism includes an introduction unit that introduces the generated water vapor into the gasification furnace, and the gasification raw material is gasified by the water vapor in the gasification furnace.
- FIG. 1 is a diagram for explaining a specific configuration of the gasification gas generation system 100.
- the gasification gas generation system 100 includes a combustion furnace 110, a medium separator (cyclone) 120, a loop seal 130, a gasification furnace 140, a loop seal 150, a cooling mechanism 160, A temperature measurement unit 170 and a control unit 180 are included.
- the flow of a substance such as a fluid medium, gasification raw material, gasification gas, water, water vapor, and combustion exhaust gas is indicated by a solid line arrow, and a signal flow is indicated by a broken line arrow.
- the gasification gas generation system 100 is a circulating fluidized bed gasification system, and as a whole, circulates using a fluid medium composed of sand such as silica sand having a particle size of about 300 ⁇ m as a heat medium. I am letting. Specifically, the fluid medium is first heated to about 900 ° C. to 1000 ° C. in the combustion furnace 110 and introduced into the medium separator 120 together with the combustion exhaust gas. In the medium separator 120, the combustion exhaust gas and the high-temperature fluid medium are separated, and the separated combustion exhaust gas is heat-recovered by a heat exchanger (for example, a boiler) not shown.
- a heat exchanger for example, a boiler
- the high-temperature fluid medium separated by the medium separator 120 is introduced into the gasification furnace 140 through the loop seal 130.
- the loop seal 130 has a fluidized bed formed therein, and inflow of combustion exhaust gas from the medium separator 120 to the gasifier 140 and gasification from the gasifier 140 to the medium separator 120. Plays a role in preventing gas outflow.
- the fluid medium introduced into the gasification furnace 140 from the medium separator 120 via the loop seal 130 flows by the gasifying agent (here, steam) introduced from the steam distributor 142, and passes through the loop seal 150. Returned to the combustion furnace 110.
- the gasifying agent here, steam
- the fluid medium moves through the combustion furnace 110, the medium separator 120, the loop seal 130, the gasifier 140, and the loop seal 150 in this order, and again. These are circulated by being introduced into the combustion furnace 110.
- a water vapor distribution unit 142 is provided below the gasification furnace 140, and water vapor supplied from a water vapor supply source (not shown) passes through the water vapor distribution unit 142 from the bottom surface of the gasification furnace 140. It is introduced into the conversion furnace 140. As described above, by introducing water vapor into the high-temperature fluid medium introduced from the medium separator 120, a fluidized bed (bubble fluidized bed) is formed in the gasification furnace 140.
- a gasification raw material such as coal, biomass, and tire chips is introduced into the gasification furnace 140, and the introduced gasification raw material is gasified by the heat of about 800 ° C. to 900 ° C. of the fluidized medium. As a result, gasified gas (synthetic gas) is generated.
- the residue remaining after the gasification raw material is gasified in the gasification furnace 140 is introduced into the combustion furnace 110.
- the residue introduced from the gasification furnace 140 to the combustion furnace 110 becomes fuel (heat source) in the combustion furnace 110, and in the combustion furnace 110, the fluidized medium is heated by the heat generated by burning the residue. That is, the amount of heating of the fluid medium in the combustion furnace 110 is the difference between the amount of heat generated by burning the residue and the amount of heat released from the combustion furnace 110.
- the amount of residue introduced into the combustion furnace 110 depends on the amount of gasification gas generated in the gasification furnace 140, and the amount of heat released from the combustion furnace 110 is the size (volume) of the combustion furnace 110. ).
- the specific surface area of the combustion furnace 110 is large and the heat radiation amount is large.
- the fluidized medium cannot be heated to the temperature required in the gasification furnace 140 (800 ° C. to 900 ° C.). In that case, fuel (auxiliary fuel) is introduced into the combustion furnace 110 in addition to the residue.
- the fluidized medium can be heated to the temperature required in the gasification furnace 140 with only the residue. Therefore, it is not necessary to introduce auxiliary fuel into the combustion furnace 110.
- the specific surface area of the combustion furnace 110 is small and the heat dissipation amount is small. Even if only the residue is burned, the fluidized medium may be overheated to a temperature that exceeds the temperature required by the gasification furnace 140.
- the fluid medium may dissolve. Further, it is necessary to increase the heat resistance strength of the combustion furnace 110, the loop seal 150 connecting the combustion furnace 110 and the gasification furnace 140, piping, etc., and the cost of the gasification gas generation system 100 itself increases. In this case, in order to suppress overheating of the combustion furnace 110, the amount of residue introduced from the gasification furnace 140 into the combustion furnace 110 is reduced, that is, the amount of gasification raw material introduced into the gasification furnace 140 is reduced. However, there is a possibility that the required amount of gasified gas produced cannot be secured.
- the cooling mechanism 160 prevents overheating of the fluidized medium.
- the cooling mechanism 160 is configured to include a flow pipe 162 and a pump 164, and cools the fluid medium flowing between the gasification furnace 140 and the combustion furnace 110, and in this embodiment, the loop seal 150.
- FIG. 2 is a diagram for explaining a specific configuration of the cooling mechanism 160 according to the present embodiment.
- the loop seal 150 of the present embodiment is provided with a water vapor distributor 152 at the bottom, and water vapor supplied from a water vapor supply source (not shown) passes through the water vapor distributor 152, It is introduced into the main body 154 from the bottom surface of the main body 154 provided on the top of the loop seal 150.
- a fluidized bed (bubble fluidized bed) is formed in the loop seal 150 (main body 154). Is formed.
- the vertical position of the fluidized bed becomes higher due to the introduction of further fluid medium and residue from the gasification furnace 140, the fluid medium and residue overflow the outlet 150 b of the loop seal 150 and are introduced into the combustion furnace 110.
- the configuration including the loop seal 150 can prevent the gasification gas generated in the gasification furnace 140 from flowing out to the combustion furnace 110 and the gas from the combustion furnace 110 to the gasification furnace 140.
- the configuration of the loop seal 130 is substantially the same as the configuration of the loop seal 150, and thus a duplicate description is omitted.
- One end of the flow pipe 162 constituting the cooling mechanism 160 is connected to the pump (introduction section) 164 and the other end is connected to the water vapor distribution section 142 (see FIG. 1).
- a part 162 a of the flow pipe 162 is disposed in the main body 154 of the loop seal 150.
- the pump 164 introduces water into the flow pipe 162 in accordance with a control command from the control unit 180 described later.
- water is introduced into the flow pipe 162 by the pump 164, when the water passes through the loop seal 150, heat exchange is performed between the fluid medium and the residue and the water, the fluid medium and the residue are cooled, and the water is Heated into steam.
- the fluidized medium can be cooled (heat removed) without changing the amount of residue, that is, without reducing the amount of gasification gas generated (the amount of gasification raw material introduced). It becomes possible.
- the gasification reaction is an endothermic reaction
- the fluidization medium is cooled in the gasification furnace 140. Therefore, even if the superheated fluid medium is introduced into the gasification furnace 140, it does not matter so much.
- the combustion reaction is an exothermic reaction
- the fluid medium is further superheated in the combustion furnace 110. Therefore, when the superheated fluid medium is introduced into the combustion furnace 110, the fluid medium may melt in the combustion furnace 110.
- the cooling mechanism 160 cools the fluid medium flowing between the gasification furnace 140 and the combustion furnace 110 (on the downstream side of the gasification furnace 140 and the upstream side of the combustion furnace 110). Thereby, the fluid medium introduced into the combustion furnace 110 can be cooled, and it is possible to avoid the situation where the combustion furnace 110 is overheated and the fluid medium melts.
- the loop seal 150 needs to form a fluidized bed therein, a certain volume is secured. As a result, the installation volume of the flow pipe 162 can be made relatively large. Therefore, the cooling mechanism 160 cools the fluid medium in the loop seal 150, so that the fluid medium can be efficiently cooled.
- the water vapor generated in the part 162 a of the flow pipe 162 disposed on the loop seal 150 is introduced into the gasification furnace 140 through the water vapor distribution unit 142. That is, by driving the pump 164, the water vapor generated in the part 162 a of the flow pipe 162 is introduced into the gasification furnace 140.
- the temperature measuring unit 170 is constituted by, for example, a thermocouple, and measures the temperature of the fluid medium at the inlet of the combustion furnace 110.
- the control unit 180 is composed of a semiconductor integrated circuit including a CPU (central processing unit), reads programs and parameters for operating the CPU itself from the ROM, and cooperates with a RAM as a work area and other electronic circuits. Thus, the entire gasification gas generation system 100 is managed and controlled.
- the control unit 180 drives the pump 164 (cooling mechanism 160) so as to cool the fluid medium to a predetermined temperature range based on the temperature of the fluid medium measured by the temperature measurement unit 170. To control.
- the temperature of the fluid medium introduced into the combustion furnace 110 can be maintained within a predetermined temperature range. Therefore, by setting the temperature of the fluidized medium after being heated in the combustion furnace 110 to a temperature range in which the fluidized medium is not melted and required in the gasification furnace 140, It is possible to maintain the temperature of the fluidized medium in the gasification furnace 140 at a temperature suitable for gasification while preventing overheating.
- the heating amount of the fluidized medium in the combustion furnace 110 is derived from the amount of residue introduced into the combustion furnace 110 based on the amount of gasification raw material introduced (the amount of gasification gas required).
- the calorific value obtained by burning can be derived and derived based on the calorific value and the heat dissipation amount of the combustion furnace 110.
- overheating of the combustion furnace 110 can be prevented without reducing the amount of gasified gas generated.
- the cooling mechanism 160 is provided on the downstream side of the gasification furnace 140 and cools the fluid medium flowing in the loop seal 150 provided on the upstream side of the combustion furnace 110. If the fluid medium flowing between the gasification furnace 140 and the combustion furnace 110 is cooled, the cooling position of the fluid medium is not limited. For example, a fluid medium flowing through a pipe connecting the gasification furnace 140 and the loop seal 150 or a pipe connecting the loop seal 150 and the combustion furnace 110 may be cooled. Further, a heat exchanger may be provided between the gasification furnace 140 and the combustion furnace 110.
- the cooling mechanism 160 has been described by taking as an example the configuration in which the fluid medium flowing between the gasification furnace 140 and the combustion furnace 110 is cooled.
- the gasification furnace 140 and the combustion furnace 110 are described.
- the medium separator 120 and the gasification furnace 140 (provided on the downstream side of the medium separator 120 and upstream of the gasification furnace 140, for example, the loop seal 130). May be cooled. Thereby, it becomes possible to maintain the temperature of the fluid medium in the gasification furnace 140 in a desired temperature range.
- the cooling mechanism 160 including the flow pipe 162 and the pump 164 has been described.
- the cooling mechanism 160 only needs to be able to cool the fluid medium and generate water vapor by exchanging heat between the water and the fluid medium.
- the cooling mechanism 160 includes a natural circulation boiler (drum boiler) that does not require the pump 164. You can also
- the present invention can be used for a gasification gas generation system that generates gasification gas by gasifying a gasification raw material.
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- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Processing Of Solid Wastes (AREA)
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Abstract
Description
また、特許文献2から特許文献5に関しても、流動媒体を用いたガス化炉が記載されている。
図1は、ガス化ガス生成システム100の具体的な構成を説明するための図である。図1に示すように、ガス化ガス生成システム100は、燃焼炉110と、媒体分離器(サイクロン)120と、ループシール130と、ガス化炉140と、ループシール150と、冷却機構160と、温度測定部170と、制御部180とを含んで構成される。なお、図1中、流動媒体、ガス化原料、ガス化ガス、水、水蒸気、燃焼排ガス等の物質の流れを実線の矢印で示し、信号の流れを破線の矢印で示す。
110 燃焼炉
140 ガス化炉
150 ループシール
160 冷却機構
162 流通管
164 ポンプ(導入部)
170 温度測定部
180 制御部
Claims (9)
- 流動媒体を加熱する燃焼炉と、
前記燃焼炉によって加熱された流動媒体が導入され、この流動媒体が有する熱でガス化原料をガス化させてガス化ガスを生成するガス化炉と、
前記ガス化炉と前記燃焼炉との間を流通する流動媒体を冷却する冷却機構と、
を備え、
前記流動媒体が、前記燃焼炉と前記ガス化炉との間を循環し、
前記燃焼炉には、前記ガス化炉から前記流動媒体および前記ガス化原料の残渣が導入され、前記燃焼炉が、前記残渣を燃焼させて前記流動媒体を加熱するガス化ガス生成システム。 - 前記冷却機構が、前記ガス化炉の下流側に設けられ、前記燃焼炉の上流側を流通する流動媒体を冷却する請求項1に記載のガス化ガス生成システム。
- 前記燃焼炉の入口の流動媒体の温度を測定する温度測定部と、
前記温度測定部によって測定された温度に基づいて、前記流動媒体を予め定められた温度範囲に冷却するように前記冷却機構を制御する制御部と、
を備える請求項1に記載のガス化ガス生成システム。 - 前記燃焼炉の入口の流動媒体の温度を測定する温度測定部と、
前記温度測定部によって測定された温度に基づいて、前記流動媒体を予め定められた温度範囲に冷却するように前記冷却機構を制御する制御部と、
を備える請求項2に記載のガス化ガス生成システム。 - 前記ガス化炉と前記燃焼炉との間に設けられ、前記ガス化炉で生成されたガス化ガスの前記燃焼炉への流出および前記燃焼炉から前記ガス化炉への気体の流入のいずれか一方または双方を防止するループシールを備え、
前記冷却機構が、前記ループシール内において流動媒体を冷却する請求項1に記載のガス化ガス生成システム。 - 前記ガス化炉と前記燃焼炉との間に設けられ、前記ガス化炉で生成されたガス化ガスの前記燃焼炉への流出および前記燃焼炉から前記ガス化炉への気体の流入のいずれか一方または双方を防止するループシールを備え、
前記冷却機構が、前記ループシール内において流動媒体を冷却する請求項2に記載のガス化ガス生成システム。 - 前記ガス化炉と前記燃焼炉との間に設けられ、前記ガス化炉で生成されたガス化ガスの前記燃焼炉への流出および前記燃焼炉から前記ガス化炉への気体の流入のいずれか一方または双方を防止するループシールを備え、
前記冷却機構が、前記ループシール内において流動媒体を冷却する請求項3に記載のガス化ガス生成システム。 - 前記ガス化炉と前記燃焼炉との間に設けられ、前記ガス化炉で生成されたガス化ガスの前記燃焼炉への流出および前記燃焼炉から前記ガス化炉への気体の流入のいずれか一方または双方を防止するループシールを備え、
前記冷却機構が、前記ループシール内において流動媒体を冷却する請求項4に記載のガス化ガス生成システム。 - 前記冷却機構が、水と前記流動媒体とを熱交換することで、前記流動媒体を冷却するとともに水蒸気を生成し、さらに、前記冷却機構が、前記冷却機構によって生成された水蒸気を前記ガス化炉に導入する導入部を備え、前記ガス化炉において前記ガス化原料が前記水蒸気によってガス化される請求項1から8のいずれか1項に記載のガス化ガス生成システム。
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JP7061809B2 (ja) * | 2017-05-16 | 2022-05-02 | 国立大学法人 新潟大学 | 流動層を備えた太陽光集熱装置及びこれを用いた太陽光集熱方法 |
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AU2014239350A1 (en) | 2015-09-10 |
AU2014239350B2 (en) | 2016-06-16 |
PL2977432T3 (pl) | 2019-01-31 |
EP2977432A4 (en) | 2016-11-16 |
NZ710997A (en) | 2016-07-29 |
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JP6111769B2 (ja) | 2017-04-12 |
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JP2014181306A (ja) | 2014-09-29 |
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