KR870006379A - How to reduce the amount of nitrogen oxides in a heat regenerator and its exhaust gas - Google Patents

How to reduce the amount of nitrogen oxides in a heat regenerator and its exhaust gas Download PDF

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Publication number
KR870006379A
KR870006379A KR860010498A KR860010498A KR870006379A KR 870006379 A KR870006379 A KR 870006379A KR 860010498 A KR860010498 A KR 860010498A KR 860010498 A KR860010498 A KR 860010498A KR 870006379 A KR870006379 A KR 870006379A
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South Korea
Prior art keywords
heat
water
storage bed
regenerator
heat storage
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KR860010498A
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Korean (ko)
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KR900005988B1 (en
Inventor
허버트 굳펠로우 제임스
Original Assignee
윌터 왈라스
브리티쉬 가스 피엘씨
앤토니 토마스 윈터
핫워크 디벨럽먼츠 리미티드
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Publication of KR900005988B1 publication Critical patent/KR900005988B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • 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
    • F23L7/002—Supplying water
    • 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
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Air Supply (AREA)
  • Treating Waste Gases (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Control Of Combustion (AREA)

Abstract

내용 없음.No content.

Description

열재생기 및 그 배기개스의 질소 산화물의 양을 감소시키는 방법How to reduce the amount of nitrogen oxides in a heat regenerator and its exhaust gas

제1도는 열재생기의 열저장 베드로 부터 구멍에 걸리기 쉬운 물질을 제거하고 질소 산화물(Nox)의 양을 줄이기 위한 열재생이 가능한 가열장치의 열재생기의 단면도이다.FIG. 1 is a cross-sectional view of a heat regenerator of a heating apparatus capable of regenerating heat to remove a hole-prone substance from a heat storage bed of a heat regenerator and to reduce the amount of nitrogen oxides (No x ).

제2도는 제1도에 나타낸 형태의 열재생기 두개로 구성된 열재생이 가능한 가열장치의 적합한 제어 시스템의 도식적인 다이어그램이다.FIG. 2 is a schematic diagram of a suitable control system of a heating apparatus capable of thermal regeneration comprising two thermal regenerators of the type shown in FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1,1A,1B : 열재생기(regenerator) 2 : 샤프트1,1A, 1B: Regenerator 2: Shaft

3 : 주부분 4 : 옆부분3: main part 4: side part

5 : 주보아(main bore) 6 : 사이드 보아(side bore)5: main bore 6: side bore

7,9 : 원통형 부분 8 : 원뿔 대부분7,9: cylindrical part 8: most of the cone

10 : 수평인 부분 11,11A,11B : 열저장 베드10: horizontal portion 11, 11A, 11B: heat storage bed

12 : 볼 13 : 플랜지12 ball 13 flange

14 : 최상부 표면 15,15A,15B : 후드(hood)14: top surface 15,15A, 15B: hood

16 : 원통형의 벽 17 : 파이프16: cylindrical wall 17: pipe

18 : 노즐 19,19A,19B : 주입구18: nozzles 19, 19A, 19B: inlet

20,20A,20B : 레귤레이타 밸브 21,21A,21B,24,24A,24B : 솔레노이드 밸브20,20A, 20B: Regulator Valve 21,21A, 21B, 24,24A, 24B: Solenoid Valve

22 : 삽입물 23,23A,23B : 배출파이프22: insert 23, 23A, 23B: discharge pipe

25,25A,25B : 버너 26 : 연소실25,25A, 25B: Burner 26: Combustion Chamber

26 : 측면의 보아 28,28A,28B : 온도 감지기26: bore side 28, 28A, 28B: temperature sensor

40 : 연소 시퀀서(firing sequencer) 41A,42B : 역전벨브40: firing sequencer 41A, 42B: reversing valve

43 : 연소공기 공급부 44 : 배기추출기43: combustion air supply unit 44: exhaust extractor

46A,46B : 스위치 48A,48B : 연소위치 접촉부46A, 46B: switch 48A, 48B: combustion position contact

49A,49B : 세척위치 접촉부 54A,50B : 물공급부49A, 49B: Cleaning position contact part 54A, 50B: Water supply part

51,51A,51B : OR게이트 52,52A,52B : AND게이트51, 51A, 51B: OR gate 52, 52A, 52B: AND gate

56A,56B : 배출닥트56A, 56B: discharge duct

Claims (16)

연소단계 동안에 물 또는 수증기를 열교환기에 주입하고, 앞의 열 회수단계 동안에 예열된 열저장베드에 의해 상기 물 또는 수증기를 열재생기의 연소실로 보내는 것을 특징으로 하는 열재생기를 떠나는 배기개스에 질소 산화물의 양을 감소시키는 방법.Injecting water or steam into the heat exchanger during the combustion phase, and sending the water or steam to the combustion chamber of the heat regenerator by means of a preheated heat storage bed during the previous heat recovery step. How to reduce the amount. 제1항에 있어서, 연소 공기의 움직이는 방향으로 보아 열저장베드의 상류지점에서 물 또는 수증기를 연소공기로 주입시키는 것을 특징으로 하는 방법.A method according to claim 1, characterized in that water or steam is injected into the combustion air at an upstream point of the heat storage bed in the direction of movement of the combustion air. 제2항에 있어서, 연소실로 부터 가장 먼쪽에 있는 열저장베드의 표면이 최상부에 있도록 열저장베드가 배치되어 있는 것을 특징으로 하는 방법.3. A method according to claim 2, characterized in that the heat storage bed is arranged such that the surface of the heat storage bed furthest from the combustion chamber is at the top. 상기 항중 어느 한항에 있어서, 연소공기가 연소실을 들어가기 전, 그리고 열저장베드를 나온 후 연소 공기의 온도를 감지하고 연소공기의 온도가 사전 설정된 온도 레벨 이하이면 열교환기 속으로 물 또는 수증기의 주입을 중단시키는 것을 특징으로 하는 방법.The method of any one of the preceding claims, wherein the combustion air is sensed before entering the combustion chamber and after exiting the heat storage bed and the injection of water or steam into the heat exchanger if the temperature of the combustion air is below a predetermined temperature level. Stopping. 열재생기를 떠나는 배기개스에 질소 산화물의 양을 제한하도록 되어있는 열재생기에 있어서, 열저장 베드를 수용하는 샤프트, 앞의 열 회수단계 동안에 예열된 열저장베드에 의해 물 또는 수증기가 열재생기의 연소실로 들어가도록 연소 단계 동안에 물 또는 수증기를 열재생기 속으로 주입하기 위한 장치로 구성된 것을 특징으로 하는 열재생기.In a heat regenerator adapted to limit the amount of nitrogen oxides in the exhaust gas leaving the heat regenerator, the shaft containing the heat storage bed, the water or steam by the heat storage bed preheated during the previous heat recovery step And a device for injecting water or steam into the heat regenerator during the combustion phase to enter the furnace. 제5항에 있어서, 물 또는 수증기를 열재생기에 주입하기 위한 장치가 연소공기가 움직이는 방향으로 보아 열저장베드의 상류지점에서 물 또는 수증기를 연소공기로 주입하도록 배치되어 있는 것을 특징으로 하는 열 재생기.6. The heat regenerator according to claim 5, wherein the device for injecting water or steam into the heat regenerator is arranged to inject water or steam into the combustion air at an upstream point of the heat storage bed in a direction in which the combustion air moves. . 제6항에 있어서, 연소실로 부터 가장 먼쪽에 있는 열저장 베드의 열저장 베드의 표면이 최상부에 있도록 열저장 베드가 배치되어 있는 것을 특징으로 하는 열재생기.7. The heat regenerator of claim 6, wherein the heat storage bed is disposed such that the surface of the heat storage bed of the heat storage bed farthest from the combustion chamber is at the top. 제5항에서 제7항중 어느 한항에 있어서, 연소공기가 연소실로 가기 전에 연소공기의 온도를 감지하는 장치가 설치되어 있고, 연소 공기의 온도가 사전 설정된 온도 레벨보다 낮으면 물 또는 수증기의 주입이 중단되도록 온도 감지 장치에 감응하는 장치가 설치된 것을 특징으로 하는 열재생기.8. A device according to any one of claims 5 to 7, wherein an apparatus is installed for detecting the temperature of the combustion air before the combustion air enters the combustion chamber, and if the temperature of the combustion air is lower than the predetermined temperature level, the injection of water or steam And a device adapted to the temperature sensing device to be interrupted. 일반적으로 위쪽으로 향하고 있는 열저장 베드를 수용하는 샤프트, 샤프트가 일반적으로 위쪽 방향의 위치에 있을때 최상부의 열저장 베드의 표면에 물 또는 수증기를 주입하기 위한 장치, 상기 주입장치에 물 또는 수증기를 공급하기 위한 주입구 및, 샤프트가 일반적으로 위쪽 방향의 위치에 있을 때 최하부의 열저장 베드의 표면 밑에 있는, 열저장 베드를 통해 침투하는 물을 열재생기로 부터 방출하기 위한 배출구로 구성되어 있는 것을 특징으로 하는 열재생기.A shaft for receiving a heat storage bed generally facing upwards, a device for injecting water or water vapor onto the surface of the top heat storage bed when the shaft is in a generally upward position, supplying water or steam to the injection device And an outlet for discharging water from the heat regenerator through the heat storage bed, which is below the surface of the bottom heat storage bed when the shaft is generally in an upward position. Heat regenerator. 제9항에 있어서, 주입부가 주입부로 부터 상기 주입 장치까지 물 또는 수증기의 공급을 조절하기 위한 장치를 가지고 있고 예열부에 감지된 연소공기의 온도가 사전 설정된 온도 레벨보다 높으면 열재생기의 연소 사이클 동안에 상기 밸브가 열리도록 밸브를 제어하는 장치가 설치된 것을 특징으로 하는 열재생기.10. The combustion cycle of a thermal regenerator according to claim 9, wherein the injection section has a device for controlling the supply of water or water vapor from the injection section to the injection device, and if the temperature of the combustion air sensed in the preheating unit is higher than a preset temperature level. And a device for controlling the valve to open the valve. 제10항에 있어서, 열재생기가 연소 단계 또는 열회수 단계에 있을 때 주입구 밸브 조절장치로 주입구 밸브를 열도록 된 것을 특징으로 하는 열재생기.11. The heat regenerator of claim 10, wherein the inlet valve is opened by the inlet valve regulating device when the heat regenerator is in the combustion stage or the heat recovery stage. 제9항에서 제11항 중 어느 한항에 있어서, 주입구에 배출구로 부터 물 또는 수증기의 방출을 조절하는 밸브가 있고 열재생기가 연소단계 또는 열 회수단계 동안에 밸브가 닫히고 열재생기가 연소 단계도 아니고 열 회수 단계도 아니면 밸브가 열리도록 밸브를 제어하는 장치가 설치된 것을 특징으로 하는 열재생기.12. The valve according to any one of claims 9 to 11, wherein the inlet has a valve for controlling the release of water or water vapor from the outlet and the heat regenerator is closed during the combustion or heat recovery phase and the heat regenerator is neither the combustion nor the heat. Or a device for controlling the valve so that the valve opens. 첨부된 도면을 참조하여 상기에서 실질적으로 기술된 열재생기.A thermal regenerator substantially described above with reference to the accompanying drawings. 제5항에서 제13항중 어느 한항에 따른, 둘 또는 그 이상의 열재생기로 구성된 것을 특징으로 하는 열 재생이 가능한 가열장치.Heating device capable of regenerating heat, characterized in that consisting of two or more heat regenerator according to any one of claims 5 to 13. 첨부된 도면을 참조로 실질적으로 상기에서 기술된 열재생기를 떠나는 배기개스에 질소의 산화물의 양을 제한하는 방법.A method for limiting the amount of oxides of nitrogen in the exhaust gas leaving substantially the above-described regenerator with reference to the accompanying drawings. 첨부된 도면을 참조로 실질적으로 상기에서 기술된 열재생이 가능한 가열장치.Heating device capable of thermal regeneration substantially described above with reference to the accompanying drawings. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860010498A 1985-12-19 1986-12-09 Limiting the presence of the oxides of nitrogen in regenerative heating system KR900005988B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB31277 1985-12-19
GB858531277A GB8531277D0 (en) 1985-12-19 1985-12-19 Limiting presence of oxides of nitrogen
GB8531277 1985-12-19
GB8604168 1986-02-20
GB04168 1986-02-20
GB8604168A GB2184823B (en) 1985-12-19 1986-02-20 Limiting the presence of oxides of nitrogen in regenerative heating systems

Publications (2)

Publication Number Publication Date
KR870006379A true KR870006379A (en) 1987-07-11
KR900005988B1 KR900005988B1 (en) 1990-08-18

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Application Number Title Priority Date Filing Date
KR1019860010498A KR900005988B1 (en) 1985-12-19 1986-12-09 Limiting the presence of the oxides of nitrogen in regenerative heating system

Country Status (3)

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JP (1) JPS62155922A (en)
KR (1) KR900005988B1 (en)
GB (2) GB8531277D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100375523B1 (en) * 2000-12-13 2003-03-10 주식회사 경동보일러 Waste gas purification device for condensing boiler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW359743B (en) * 1997-01-06 1999-06-01 Nippon Furnace Kogyo Kk Apparatus and method for heating a gaseous fluid flow, method for preheating a gaseous fluid flow

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Publication number Priority date Publication date Assignee Title
GB244906A (en) * 1924-12-09 1925-12-31 William Theophlius Chamberlain Improvements in air regenerators for furnaces and the like
GB895463A (en) * 1958-12-19 1962-05-02 Green & Son Ltd Improvements in or relating to air-heaters for steam boilers
JPS5148569U (en) * 1974-10-09 1976-04-12
JPS5147131A (en) * 1974-10-21 1976-04-22 Toyoda Automatic Loom Works KYUCHAKUKANENBOSEKIHOHO
JPS5214230A (en) * 1975-07-24 1977-02-03 Osaka Gas Co Ltd Combustion system to restrain volume of emission of nitrogen oxide
JPS53105727A (en) * 1977-02-25 1978-09-14 Sumitomo Chem Co Ltd Abatement of nox produced in combustion exhaust
JPS58123022A (en) * 1982-01-14 1983-07-22 Mitsubishi Heavy Ind Ltd Waste gas heat recovery system for pulp mill wastewater-burning boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100375523B1 (en) * 2000-12-13 2003-03-10 주식회사 경동보일러 Waste gas purification device for condensing boiler

Also Published As

Publication number Publication date
GB8531277D0 (en) 1986-01-29
GB8604168D0 (en) 1986-03-26
JPH0470554B2 (en) 1992-11-11
JPS62155922A (en) 1987-07-10
KR900005988B1 (en) 1990-08-18
GB2184823A (en) 1987-07-01
GB2184823B (en) 1990-01-24

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