WO2009110034A1 - 酸素燃焼ボイラの一次再循環排ガス流量制御方法及び装置 - Google Patents
酸素燃焼ボイラの一次再循環排ガス流量制御方法及び装置 Download PDFInfo
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- WO2009110034A1 WO2009110034A1 PCT/JP2008/000472 JP2008000472W WO2009110034A1 WO 2009110034 A1 WO2009110034 A1 WO 2009110034A1 JP 2008000472 W JP2008000472 W JP 2008000472W WO 2009110034 A1 WO2009110034 A1 WO 2009110034A1
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- exhaust gas
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- 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
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/002—Control by recirculating flue gases
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- 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
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/003—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for pulverulent fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
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- 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
- F23C2202/00—Fluegas recirculation
- F23C2202/50—Control of recirculation rate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07001—Injecting synthetic air, i.e. a combustion supporting mixture made of pure oxygen and an inert gas, e.g. nitrogen or recycled fumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/15043—Preheating combustion air by heat recovery means located in the chimney, e.g. for home heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2221/00—Pretreatment or prehandling
- F23N2221/12—Recycling exhaust gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/32—Direct CO2 mitigation
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Definitions
- the present invention relates to a primary recirculation exhaust gas flow rate control method and apparatus for an oxyfuel boiler.
- Coal has a higher carbon content than natural gas and petroleum, and other components such as hydrogen, nitrogen and sulfur, and inorganic ash, so when coal is burned in air, the composition of combustion exhaust gas is Usually nitrogen (about 70%), carbon dioxide CO 2 , sulfur oxide SOx, nitrogen oxide NOx, and dust and oxygen (about 4%) consisting of ash and unburned coal particles become. Therefore, exhaust gas treatment such as denitration, desulfurization, and dust removal is performed on the combustion exhaust gas, and NOx, SOx, and fine particles are discharged from the chimney to the atmosphere so as to be below the environmental emission standard value.
- the NOx generated in the combustion exhaust gas includes thermal NOx generated by oxidizing nitrogen in the air with oxygen, and fuel NOx generated by oxidizing nitrogen in the fuel.
- thermal NOx generated by oxidizing nitrogen in the air with oxygen
- fuel NOx generated by oxidizing nitrogen in the fuel.
- a combustion method for reducing the flame temperature has been adopted for reducing thermal NOx
- a combustion method for forming an excess fuel region for reducing NOx in the combustor has been adopted for reducing fuel NOx. .
- a / C the operating range of the A / C is set to a range of 1.5 to 4.0 as shown in FIG. 4, for example, to enable stable combustion of the burner. Note that if A / C is greater than 4.0, the flame may blow off, while if it is less than 1.5, stable combustion cannot be maintained due to the structure of the mill / burner system. The scope of operation is defined.
- the present invention intends to provide a primary recirculation exhaust gas flow rate control method and apparatus for an oxyfuel boiler capable of achieving stable combustion of a burner in oxyfuel combustion.
- the present invention introduces oxygen supplied from an oxygen production apparatus to a coal fired boiler, introduces a part of the recirculated exhaust gas into a mill as a primary recirculated exhaust gas, and converts the pulverized coal pulverized in the mill to the above-mentioned
- a primary recirculation exhaust gas flow rate control method for an oxyfuel boiler that conveys to a burner by primary recirculation exhaust gas and burns oxygen
- the primary recirculation of the oxyfuel boiler that controls the primary recirculation exhaust gas flow rate so that the weight ratio between the primary recirculation exhaust gas flow rate and the amount of pulverized coal from the mill is defined as G / C and the G / C is within a predetermined range. This relates to the exhaust gas flow rate control method.
- the G / C range is preferably set to 2.0 to 6.0.
- the present invention introduces oxygen supplied from an oxygen production apparatus to a coal fired boiler, introduces a part of the exhaust gas recirculated into the mill as a primary recirculation exhaust gas, and pulverized coal pulverized by the mill
- CO 2 concentration meter for detecting a CO 2 concentration of the primary recirculating exhaust gas to be introduced into the mill,
- the O 2 concentration meter for detecting the O 2 concentration of the primary recirculating exhaust gas to be introduced into the mill,
- a flow meter for detecting the flow rate of the primary recirculated exhaust gas introduced into the mill;
- In the CO 2 calculates the specific gravity of the primary recirculating exhaust gas on the
- the G / C range is preferably set to 2.0 to 6.0.
- the primary recirculation exhaust gas flow rate control method and apparatus of the oxyfuel boiler of the present invention it is possible to achieve stable combustion of a burner in oxyfuel combustion using a completely new index G / C different from conventional A / C. The effects can be achieved.
- 1 to 3 show an embodiment of the present invention, in which 1 is a coal bunker that stores coal, 2 is a coal feeder that cuts out coal stored in the coal bunker 1, and 3 is coal supplied from the coal feeder 2 4 is a coal fired boiler, 5 is a wind box attached to the coal fired boiler 4, 6 is disposed in the wind box 5 and is used for burning pulverized coal supplied from the mill 3.
- Burner 7 is an exhaust gas line through which exhaust gas discharged from coal fired boiler 4 flows
- 8 is an air preheater that exchanges heat between the exhaust gas flowing through exhaust gas line 7, primary recirculated exhaust gas, and secondary recirculated exhaust gas
- 9 is air preheat Exhaust gas treatment devices such as a desulfurization device and a dust collector for treating the exhaust gas that has passed through the vessel 8
- 10 is an oxygen production device that produces oxygen
- 11 is a primary recirculation exhaust gas lined up with the exhaust gas purified by the exhaust gas treatment device 9
- a forced air blower (FDF) 12 that pumps as secondary recirculated exhaust gas
- 12 is a primary recirculation that preheats a part of the exhaust gas pumped by the forced air ventilator 11 as primary recirculated exhaust gas with the air preheater 8 and leads it to the mill 3.
- FDF forced air blower
- An exhaust gas line, 13 is a cold bypass line for adjusting the temperature of the primary recirculation exhaust gas by bypassing the air preheater 8 through a part of the primary recirculation exhaust gas introduced into the mill 3, and 14 is an air preheater 8
- a flow control valve 15 provided in the middle of the primary recirculation exhaust gas line 12 for adjusting the flow rate of the primary recirculation exhaust gas passing therethrough, 15 is a cold bypass for adjusting the flow rate of the primary recirculation exhaust gas bypassing the air preheater 8
- a flow control valve 16 provided in the middle of the line 13 preheats a part of the exhaust gas pressure-fed by the forced air blower 11 with the air preheater 8 as a secondary recirculation exhaust gas.
- a secondary recirculation exhaust gas line leading to the wind box 5 17 is an oxygen supply line for secondary recirculation exhaust gas for supplying oxygen from the oxygen production apparatus 10 to the secondary recirculation exhaust gas line 16, and 18 is an oxygen to the wind box 5
- An oxygen supply line for a wind box that directly supplies oxygen from the manufacturing apparatus 10, 19 is a recovery apparatus that recovers CO 2 and the like from the exhaust gas, and 20 is an induction fan that is provided downstream of the exhaust gas treatment apparatus 9 and attracts the exhaust gas.
- IDF 21 is a chimney that releases the exhaust gas purified by the exhaust gas treatment device 9 and attracted by the induction fan 20,
- the weight ratio between the primary recirculation exhaust gas flow rate [ton / h] supplied to the coal fired boiler 4 and the pulverized coal amount [ton / h] from the mill 3 is defined as G / C.
- a controller 27 that outputs an opening degree control signal 25a as a flow rate control signal is provided to the flow rate control valve 25 so that the G / C is within a predetermined range.
- a damper or other flow rate regulator may be used, and a flow rate control signal may be output from the controller 27 to the flow rate regulator.
- the G / C range is preferably 2.0 to 6.0 as shown in FIG. 3 in order to enable stable combustion of the burner 6. This is because the conventional operating range of A / C is in the range of 1.5 to 4.0 as shown in FIG. 4, and therefore the difference in specific gravity between air and primary recirculated exhaust gas is taken into consideration. . In the actual combustion test, when G / C is larger than 6.0, there is a risk that the flame may blow off. When G / C is smaller than 2.0, stable combustion is caused due to the structure of the mill 3 and burner 6 system. It has been confirmed that stable combustion of the burner 6 is possible in the range of 2.0 to 6.0.
- the coal stored in the coal bunker 1 is fed into the mill 3 by the coal feeder 2, and the coal is pulverized and pulverized into the pulverized coal in the mill 3.
- the primary recirculated exhaust gas is introduced into the mill 3 from the recirculated exhaust gas line 12, and the pulverized pulverized coal is conveyed to the burner 6 while drying the coal supplied to the mill 3 by the primary recirculated exhaust gas.
- a part of the exhaust gas pumped by the forced air blower 11 is preheated by the air preheater 8 from the secondary recirculation exhaust gas line 16 as the secondary recirculation exhaust gas.
- oxygen produced by the oxygen production apparatus 10 is directly supplied from the oxygen supply line 18 for the wind box, whereby oxygen combustion of the pulverized coal is performed in the coal fired boiler 4.
- the exhaust gas discharged from the coal fired boiler 4 flows through the exhaust gas line 7 and is introduced into the air preheater 8, where the primary recirculation exhaust gas and the secondary recirculation exhaust gas are heated, and heat recovery is performed.
- the exhaust gas that has passed through the air preheater 8 is subjected to treatment such as desulfurization and dust collection by an exhaust gas treatment device 9 such as a desulfurization device or a dust collector, and the exhaust gas purified by the exhaust gas treatment device 9 is introduced into the induction fan 20.
- part of the exhaust gas that passed through the exhaust gas treatment device 9 is recirculated by the forced air blower 11 and introduced into the recovery device 19, and CO 2 etc. from the exhaust gas. Are to be recovered.
- the CO 2 concentration 22a of the primary recirculation exhaust gas introduced into the mill 3 is detected by the CO 2 concentration meter 22 during the steady operation of the coal fired boiler 4, and the O 2 concentration 23a is detected. Is detected by the O 2 concentration meter 23, and its flow rate 24 a is detected by the flow meter 24, while the coal supply amount 26 a supplied to the mill 3 is detected by the coal supply meter 26.
- the specific gravity of the primary recirculated exhaust gas is calculated based on the CO 2 concentration 22a detected by the CO 2 concentration meter 22 and the O 2 concentration 23a detected by the O 2 concentration meter 23 (see step S1 in FIG. 2).
- the primary recirculated exhaust gas flow rate on a weight basis is calculated (see step S2 in FIG. 2).
- Detected coal supply amount 26 Based on a, the amount of pulverized coal from the mill 3 on a weight basis is calculated (see step S3 in FIG. 2), the primary recirculation exhaust gas flow rate [ton / h] and the amount of pulverized coal from the mill 3 [ton / h]. Is defined as G / C (see step S4 in FIG. 2).
- step S5 in FIG. 2 it is determined whether or not the G / C is smaller than 2.0 (see step S5 in FIG. 2). If the G / C is smaller than 2.0, it is output from the controller 27.
- the opening degree of the flow rate control valve 25 as the flow rate regulator is widened by the opening degree control signal 25a as the flow rate control signal to increase the primary recirculation exhaust gas flow rate (see step S6 in FIG. 2).
- the G / C is 2.0 or more, it is determined whether or not the G / C is larger than 6.0 (see step S7 in FIG. 2), and the G / C is 6.0. If larger, the opening degree of the flow rate control valve 25 as the flow rate regulator is reduced by the opening degree control signal 25a as the flow rate control signal output from the controller 27, and the primary recirculation exhaust gas flow rate is reduced (see FIG. As a result, the G / C is within a predetermined range (2.0 to 6.0), and a stable oxyfuel combustion operation is performed.
- the primary recirculation exhaust gas flow rate control method and apparatus of the oxyfuel boiler of the present invention are not limited to the above illustrated examples, and various changes can be made without departing from the scope of the present invention. Of course.
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Abstract
Description
一次再循環排ガス流量とミルからの微粉炭量との重量比をG/Cと定義し、該G/Cが所定範囲内に収まるよう一次再循環排ガス流量を制御する酸素燃焼ボイラの一次再循環排ガス流量制御方法にかかるものである。
前記ミルへ導入される一次再循環排ガスのCO2濃度を検出するCO2濃度計と、
前記ミルへ導入される一次再循環排ガスのO2濃度を検出するO2濃度計と、
前記ミルへ導入される一次再循環排ガスの流量を検出する流量計と、
前記ミルへ導入される一次再循環排ガスの流量を調節する流量調節器と、
前記ミルへ供給される給炭量を検出する給炭量計と、
前記CO2濃度計で検出されたCO2濃度と前記O2濃度計で検出されたO2濃度とに基づき一次再循環排ガスの比重を算出し、該一次再循環排ガスの比重と前記流量計で検出された流量とに基づき重量ベースでの一次再循環排ガス流量を算出し、前記給炭量計で検出された給炭量に基づき重量ベースでのミルからの微粉炭量を算出し、前記一次再循環排ガス流量とミルからの微粉炭量との重量比をG/Cと定義し、該G/Cが所定範囲内に収まるよう前記流量調節器に流量制御信号を出力する制御器と
を備えた酸素燃焼ボイラの一次再循環排ガス流量制御装置にかかるものである。
2 給炭機
3 ミル
4 石炭焚ボイラ
5 ウィンドボックス
6 バーナ
7 排ガスライン
8 空気予熱器
10 酸素製造装置
11 押込通風機
12 一次再循環排ガスライン
13 コールドバイパスライン
16 二次再循環排ガスライン
17 二次再循環排ガス用酸素供給ライン
18 ウィンドボックス用酸素供給ライン
20 誘引通風機
22 CO2濃度計
22a CO2濃度
23 O2濃度計
23a O2濃度
24 流量計
24a 流量
25 流量調節弁(流量調節器)
25a 開度制御信号(流量制御信号)
26 給炭量計
26a 給炭量
27 制御器
前記一次再循環排ガスライン12途中におけるミル3の入側に、該ミル3へ導入される一次再循環排ガスのCO2濃度22aを検出するCO2濃度計22と、前記ミル3へ導入される一次再循環排ガスのO2濃度23aを検出するO2濃度計23と、前記ミル3へ導入される一次再循環排ガスの流量24aを検出する流量計24と、前記ミル3へ導入される一次再循環排ガスの流量24aを調節する流量調節器としての流量調節弁25とを設けると共に、前記給炭機2に、前記ミル3へ供給される給炭量26aを検出する給炭量計26を設け、
更に、前記CO2濃度計22で検出されたCO2濃度22aと前記O2濃度計23で検出されたO2濃度23aとに基づき一次再循環排ガスの比重を算出し、該一次再循環排ガスの比重と前記流量計24で検出された流量24aとに基づき重量ベースでの一次再循環排ガス流量を算出し、前記給炭量計26で検出された給炭量26aに基づき重量ベースでのミル3からの微粉炭量を算出し、石炭焚ボイラ4に供給する前記一次再循環排ガス流量[ton/h]とミル3からの微粉炭量[ton/h]との重量比をG/Cと定義し、該G/Cが所定範囲内に収まるよう前記流量調節弁25に流量制御信号としての開度制御信号25aを出力する制御器27を設けたものである。尚、前記流量調節弁25に代えて、例えばダンパその他の流量調節器を用い、該流量調節器に対し前記制御器27から流量制御信号を出力するようにしても良い。
Claims (4)
- 石炭焚ボイラに酸素製造装置から供給される酸素を導入しつつ、再循環される排ガスの一部を一次再循環排ガスとしてミルへ導入し、該ミルで粉砕された微粉炭を前記一次再循環排ガスによりバーナへ搬送して酸素燃焼させる酸素燃焼ボイラの一次再循環排ガス流量制御方法であって、
一次再循環排ガス流量とミルからの微粉炭量との重量比をG/Cと定義し、該G/Cが所定範囲内に収まるよう一次再循環排ガス流量を制御する酸素燃焼ボイラの一次再循環排ガス流量制御方法。 - 前記G/Cの範囲を2.0~6.0とした請求項1記載の酸素燃焼ボイラの一次再循環排ガス流量制御方法。
- 石炭焚ボイラに酸素製造装置から供給される酸素を導入しつつ、再循環される排ガスの一部を一次再循環排ガスとしてミルへ導入し、該ミルで粉砕された微粉炭を前記一次再循環排ガスによりバーナへ搬送して酸素燃焼させる酸素燃焼ボイラの一次再循環排ガス流量制御装置であって、
前記ミルへ導入される一次再循環排ガスのCO2濃度を検出するCO2濃度計と、
前記ミルへ導入される一次再循環排ガスのO2濃度を検出するO2濃度計と、
前記ミルへ導入される一次再循環排ガスの流量を検出する流量計と、
前記ミルへ導入される一次再循環排ガスの流量を調節する流量調節器と、
前記ミルへ供給される給炭量を検出する給炭量計と、
前記CO2濃度計で検出されたCO2濃度と前記O2濃度計で検出されたO2濃度とに基づき一次再循環排ガスの比重を算出し、該一次再循環排ガスの比重と前記流量計で検出された流量とに基づき重量ベースでの一次再循環排ガス流量を算出し、前記給炭量計で検出された給炭量に基づき重量ベースでのミルからの微粉炭量を算出し、前記一次再循環排ガス流量とミルからの微粉炭量との重量比をG/Cと定義し、該G/Cが所定範囲内に収まるよう前記流量調節器に流量制御信号を出力する制御器と
を備えた酸素燃焼ボイラの一次再循環排ガス流量制御装置。 - 前記G/Cの範囲を2.0~6.0とした請求項3記載の酸素燃焼ボイラの一次再循環排ガス流量制御装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2008/000472 WO2009110034A1 (ja) | 2008-03-06 | 2008-03-06 | 酸素燃焼ボイラの一次再循環排ガス流量制御方法及び装置 |
CN2008801291083A CN102047040B (zh) | 2008-03-06 | 2008-03-06 | 氧燃烧锅炉的一次再循环废气流量控制方法及装置 |
EP08720358.4A EP2251598B1 (en) | 2008-03-06 | 2008-03-06 | Method and apparatus of controlling flow rate of primary recirculating exhaust gas in oxyfuel combustion boiler |
US12/920,542 US8550016B2 (en) | 2008-03-06 | 2008-03-06 | Method and apparatus of controlling flow rate of primary recirculating exhaust gas in oxyfuel combustion boiler |
JP2010501686A JP5107418B2 (ja) | 2008-03-06 | 2008-03-06 | 酸素燃焼ボイラの一次再循環排ガス流量制御装置 |
PL08720358T PL2251598T3 (pl) | 2008-03-06 | 2008-03-06 | Sposób oraz urządzenie do sterowania natężeniem przepływu głównego recylkulującego gazu wydechowego w kotle ze spalaniem tlenowo paliwowym |
AU2008352210A AU2008352210B2 (en) | 2008-03-06 | 2008-03-06 | Method and apparatus of controlling flow rate of primary recirculating exhaust gas in oxyfuel combustion boiler |
ES08720358T ES2425967T3 (es) | 2008-03-06 | 2008-03-06 | Método y aparato para controlar el caudal de gas de escape recirculante primario en caldera de oxicombustión |
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Cited By (3)
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WO2011122594A1 (ja) * | 2010-03-29 | 2011-10-06 | 三菱重工業株式会社 | 石炭ガス化複合発電プラント |
EP2524167A1 (en) * | 2010-01-12 | 2012-11-21 | Foster Wheeler Energia Oy | Method of combusting different fuels in an oxycombustion boiler |
EP2423590A3 (en) * | 2010-08-31 | 2013-03-27 | Hitachi Ltd. | Control system, control method, and display method of oxygen combustion boiler plant |
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JP5494836B2 (ja) * | 2011-01-17 | 2014-05-21 | 株式会社Ihi | 酸素燃焼ボイラの運転制御方法及び装置 |
JP5789146B2 (ja) * | 2011-07-13 | 2015-10-07 | 株式会社神戸製鋼所 | 微粉炭焚きボイラ設備の運転方法および微粉炭焚きボイラ設備 |
CN102607049A (zh) * | 2012-03-20 | 2012-07-25 | 安徽省科捷再生能源利用有限公司 | 工业锅炉循环风送煤粉燃烧技术 |
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CN103615713B (zh) * | 2013-11-28 | 2015-11-11 | 华中科技大学 | 一种煤粉富氧无焰燃烧方法及其系统 |
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CN110345506B (zh) * | 2019-07-16 | 2020-11-03 | 广东电科院能源技术有限责任公司 | 一种燃煤锅炉机组快速调频方法和装置 |
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Cited By (5)
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EP2524167A1 (en) * | 2010-01-12 | 2012-11-21 | Foster Wheeler Energia Oy | Method of combusting different fuels in an oxycombustion boiler |
EP2524167A4 (en) * | 2010-01-12 | 2015-01-14 | Foster Wheeler Energia Oy | METHOD FOR BURNING DIFFERENT COMBUSTIBLES IN OXYCOMBUSTION BOILER |
WO2011122594A1 (ja) * | 2010-03-29 | 2011-10-06 | 三菱重工業株式会社 | 石炭ガス化複合発電プラント |
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EP2423590A3 (en) * | 2010-08-31 | 2013-03-27 | Hitachi Ltd. | Control system, control method, and display method of oxygen combustion boiler plant |
Also Published As
Publication number | Publication date |
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EP2251598A4 (en) | 2012-05-09 |
US8550016B2 (en) | 2013-10-08 |
EP2251598A1 (en) | 2010-11-17 |
JPWO2009110034A1 (ja) | 2011-07-14 |
PL2251598T3 (pl) | 2013-11-29 |
EP2251598B1 (en) | 2013-06-05 |
AU2008352210A1 (en) | 2009-09-11 |
CN102047040A (zh) | 2011-05-04 |
US20110126742A1 (en) | 2011-06-02 |
ES2425967T3 (es) | 2013-10-18 |
JP5107418B2 (ja) | 2012-12-26 |
CN102047040B (zh) | 2013-03-13 |
AU2008352210B2 (en) | 2012-07-19 |
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