JP2005134102A - 同時生成した酸素流及び窒素流を用いる低nox燃焼 - Google Patents
同時生成した酸素流及び窒素流を用いる低nox燃焼 Download PDFInfo
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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
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
- F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
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- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure 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
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/08—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
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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
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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
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/07021—Details of lances
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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
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/99004—Combustion process using petroleum coke or any other fuel with a very low content in volatile matters
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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
- F23L2900/07002—Injecting inert gas, other than steam or evaporated water, into the combustion chambers
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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
- F23L2900/07005—Injecting pure oxygen or oxygen enriched air
-
- 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
- F23L2900/07008—Injection of water into the combustion chamber
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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
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- 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
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Abstract
【解決手段】空気分離ユニット30により空気を富酸素流及び富窒素流に分離し、富酸素流は管路32からバ−ナ3へ燃料及び1次、2次空気又は3次空気と共に燃焼装置1供給し、富窒素流は管路34からバ−ナ3上部のオ−バファイアエア口7へ4次空気と共に供給することにより、フュ−エルNOxの放出を抑制する。また、富窒素流を補足するものとして、液体水を燃焼装置1に噴射することができる。
【選択図】図1
Description
(A)燃焼装置を提供すること、
(B)一次空気及び燃料を、二次空気を前記燃焼装置中に供給するための手段を含み、任意選択的に三次空気を前記燃焼装置中に供給するための手段を含むバーナを通して、前記装置中に供給すること、
(C)前記燃焼装置の外部の空気を、富酸素流及び富窒素流に分離すること、
(D)前記燃料を火炎中で燃焼させ、同時に前記富酸素流の少なくとも一部を前記火炎中に供給すること、及び
(E)前記富窒素流の少なくとも一部を、前記燃焼装置中に、好ましくは二次空気を供給するための前記手段及び三次空気を供給するための前記手段の一方又は両方を通して、供給すること
を含む、放出NOxの量を低下させる燃焼方法である。
(A)一次燃焼領域及び燃焼完了領域を備えた燃焼装置を提供すること、
(B)空気及び燃料を、バーナを通して、前記一次燃焼領域中に供給すること、
(C)空気を、富酸素流及び富窒素流に分離すること、
(D)前記一次燃焼領域中で前記燃料を火炎中で燃焼させ、同時に前記富酸素流の少なくとも一部を前記一次燃焼領域中に供給すること、
(E)前記装置中に供給される酸素の総量が前記燃料を完全燃焼させるのに必要な少なくとも化学量論量である、十分な酸素を含んだ量の空気を、前記バーナ以外の供給源から前記燃焼完了領域中に加え、前記一次燃焼領域からの残留可燃物を、前記燃焼完了領域中で燃焼させること、及び、
(F)前記富窒素流の少なくとも一部を、前記燃焼装置中に供給すること
を含む、放出NOxの量を低下させる燃焼方法である。
本発明を図を参照して説明するが、図を参照する説明は、本発明であると見なされる図の範囲を制限するものではない。
2 内部
3 バーナ
4 環状通路、環状空間
5 ランス、管路
6 火炎
7 オーバーファイアエア口(1個又は複数)、オーバーファイアエア
8 富燃料領域
9 燃焼完了領域(BOZ)
10 一次燃焼領域(PCZ)
11 環状通路
12 環状通路
13 デフレクタ
14 デフレクタ
15 二次燃焼空気
16 三次燃焼空気
21 ウインドボックス
22 燃焼空気
30 空気分離ユニット
32 管路
34 管路
31 オリフィス
32 ノズル
33 ノズル
34 ノズル
Claims (3)
- (A)燃焼装置を用意すること、
(B)一次空気及び燃料を、二次空気を前記燃焼装置中に供給するための手段を含み、任意選択的に三次空気を前記燃焼装置中に供給するための手段を含むバーナを通して、前記装置中に供給すること、
(C)前記燃焼装置の外部の空気を、富酸素流及び富窒素流に分離すること、
(D)前記燃料を火炎中で燃焼させ、同時に前記富酸素流の少なくとも一部を前記火炎中に供給すること、及び
(E)前記富窒素流の少なくとも一部を、前記燃焼装置中に供給すること
を含む、放出NOxの量を低下させる燃焼方法。 - (A)一次燃焼領域及び燃焼完了領域を備えた燃焼装置を用意すること、
(B)空気及び燃料を、バーナを通して、前記一次燃焼領域中に供給すること、
(C)前記燃焼装置の外部の空気を、富酸素流及び富窒素流に分離すること、
(D)前記一次燃焼領域中で前記燃料を火炎中で燃焼させ、同時に前記富酸素流の少なくとも一部を前記一次燃焼領域中に供給すること、
(E)前記装置中に供給される酸素の総量が前記燃料を完全燃焼させるのに必要な少なくとも化学量論量である、十分な酸素を含んだ量の空気を、前記バーナ以外の供給源から前記燃焼完了領域中に加え、前記一次燃焼領域からの残留可燃物を、前記燃焼完了領域中で燃焼させること、及び、
(F)前記富窒素流の少なくとも一部を、前記燃焼装置中に供給すること
を含む、放出NOxの量を低下させる燃焼方法。 - (A)燃焼装置を用意すること、
(B)二次空気を前記燃焼装置中に供給するための手段を含み、任意選択的に三次空気を前記燃焼装置中に供給するための手段を含むバーナを通して、一次空気及び燃料を前記装置中に供給すること、
(C)前記燃料を火炎中で燃焼させ、同時に前記富酸素流を前記火炎中に供給すること、及び、
(D)液体水のスプレーを前記燃焼装置中に噴射すること
を含む、放出NOxの量を低下させる燃焼方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/662,372 US7484956B2 (en) | 2003-09-16 | 2003-09-16 | Low NOx combustion using cogenerated oxygen and nitrogen streams |
Publications (1)
Publication Number | Publication Date |
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JP2005134102A true JP2005134102A (ja) | 2005-05-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004267772A Pending JP2005134102A (ja) | 2003-09-16 | 2004-09-15 | 同時生成した酸素流及び窒素流を用いる低nox燃焼 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7484956B2 (ja) |
EP (1) | EP1517085A2 (ja) |
JP (1) | JP2005134102A (ja) |
KR (1) | KR20050027939A (ja) |
CN (1) | CN1598401A (ja) |
AU (2) | AU2004212517A1 (ja) |
CA (1) | CA2481617A1 (ja) |
MX (1) | MXPA04009014A (ja) |
TW (1) | TW200523509A (ja) |
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CN105378385B (zh) * | 2013-07-09 | 2017-07-21 | 三菱日立电力系统株式会社 | 燃烧装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP1517085A2 (en) | 2005-03-23 |
US7484956B2 (en) | 2009-02-03 |
CN1598401A (zh) | 2005-03-23 |
AU2004212517A1 (en) | 2005-04-07 |
AU2010224349A1 (en) | 2010-10-14 |
US20050058958A1 (en) | 2005-03-17 |
TW200523509A (en) | 2005-07-16 |
KR20050027939A (ko) | 2005-03-21 |
MXPA04009014A (es) | 2005-09-08 |
CA2481617A1 (en) | 2005-03-16 |
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