[go: up one dir, main page]

CN2560850Y - 竖炉半无焰式高炉煤气燃烧器 - Google Patents

竖炉半无焰式高炉煤气燃烧器 Download PDF

Info

Publication number
CN2560850Y
CN2560850Y CN02245917.0U CN02245917U CN2560850Y CN 2560850 Y CN2560850 Y CN 2560850Y CN 02245917 U CN02245917 U CN 02245917U CN 2560850 Y CN2560850 Y CN 2560850Y
Authority
CN
China
Prior art keywords
gas
burner
furnace
convergent
combustion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN02245917.0U
Other languages
English (en)
Inventor
张久大
胡仁德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Electric Engineering Co., Ltd.
Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC
Original Assignee
Puhua Combustion Engineering Co ltd Harbin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Puhua Combustion Engineering Co ltd Harbin filed Critical Puhua Combustion Engineering Co ltd Harbin
Priority to CN02245917.0U priority Critical patent/CN2560850Y/zh
Application granted granted Critical
Publication of CN2560850Y publication Critical patent/CN2560850Y/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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

Abstract

本实用新型公开了一种竖炉半无焰式高炉煤气燃烧器。主要由燃烧器本体和火道二部分组成，燃烧器本体由煤气送入装置和配风器构成。所述煤气送入装置的本体为长扁形空心体，出口处为渐缩形喷嘴，配风器的出口同样为渐缩形，其渐缩形角度大于喷嘴的渐缩形角度，煤气和空气都以高速直流喷至炉墙处开设的蓄热火道内进行混合、点燃、燃烧。这种结构可避免形成局部强回流区，避免造成燃烧器阻塞。其长的火道具有蓄热作用，使煤气热值及压力波动时仍能保证燃烧稳定。其燃烬程度高，燃烧效率高达99％以上。经过三年以上在多台竖炉上的实践，证明其性能良好，可长期稳定运行。竖炉燃烧室出口烟气含氧量在4％至6％之间，满足了生产工艺对氧化气氛的要求。该结构具有广阔的开拓前景。

Description

竖炉半无焰式高炉煤气燃烧器
一、技术领域
本实用新型涉及一种燃烧器，特别是涉及一种竖炉半无焰式高炉煤气燃烧器。
二、背景技术
竖炉是冶金钢铁工业的主要设备之一，竖炉所采用的燃料一直为高炉煤气或发生炉煤气。目前国内竖炉所采用的燃烧设备均为涡流环缝式燃烧器。由于高炉煤气的热值低、含尘量大、水份高，故而在运行中经常发生燃烧器出口堵塞，致使燃烧稳定性下降，通常在竖炉燃烧室出口烟气含氧量大于4％的条件下，竖炉就无法保证连续长期可靠运行。
三、发明内容
针对存在的上述问题，本实用新型的目的是提供这样一种竖炉半无焰式高炉煤气燃烧器，它可以保证在煤气热值不低于2700KJ/Nm3、煤气含水量不高于100mg/m3的条件下达到稳定燃烧。在运行中燃烧室出口烟气含氧量≥4％。煤气含尘量≥20mg/m3的情况下，燃烧器出口处仍不会出现堵塞现象，从而保证了该燃烧器在用于竖炉中在燃用高炉煤气或发生炉煤气时，能够长期地稳定运行。
为达到上述目的，本实用新型采取了如下技术措施：燃烧器内装有煤气送入装置，其本体为长扁形空心体，出口处为渐缩形喷嘴。煤气送入装置的外部为配风器，其出口同样为渐缩形，并且其渐缩的角度大于喷嘴的渐缩角度，使煤气和空气都以直流高速喷至长扁形蓄热式火道内进行强烈混合、点火、燃烧再一并流入竖炉燃烧室内进行燃烧。
这种燃烧器的主要优点：
1.蓄热式火道的通道长，既可保证煤气和空气沿通道进行良好的混合，又可利用火道蓄热，使煤气易于稳定燃烧，使火焰在氧化气氛下达到长期可靠稳定运行。
2.煤气和空气均为高速直流送入，无局部强回流区，即使煤气含尘量较高，炽热的灰粒子也不会被卷吸至燃烧器出口处，从而减少了燃烧器被堵塞现象。
3.为防止煤气泄露，所有可拆卸的连接接口处均采用密封水线，燃烧器本体出口部分采用耐高温金属材料。蓄热火道采用耐高温材料砌筑。
4.燃烧器在竖炉燃烧室上呈轴向切向布置，使火焰在竖炉燃烧室内充满度好，并获得最大的燃烧空间，有利于燃气的充分燃烬。
四、附图说明
图1为本实用新型竖炉半无焰式高炉煤气燃烧器剖面结构示意图。
图2为图1的A-A剖视图。
如图1、图2所示：该燃烧器装于竖炉燃烧室(6)的炉墙(4)上，燃烧器内装有煤气送入装置(1)，外部为配风器(2)。装置(1)的本体为立式长扁形空心体，煤气出口处为渐缩形喷嘴(5)。配风器(2)的出口同样为渐缩形，其渐缩的角度大于喷嘴(5)的渐缩形角度。煤气和空气都以直流高速喷至装于炉墙(4)内的长扁形蓄热式火道(3)内进行混合、点火、燃烧，再一并流入竖炉燃烧室(6)内。在配风器(2)内沿宽度装有两个以上煤气送入装置(1)。五、具体实例
按本结构制造的燃烧器已经在济南钢铁集团总公司球团厂1号、2号、3号竖炉及冶钢集团东方钢铁有限公司的竖炉上成功地得到应用。经过三年以上的实际运行考验，该燃烧器具有点火容易、燃烧稳定性好、燃烬率高等优点，彻底解决了原涡流环缝燃烧器燃烧不稳定和被灰堵塞问题，竖炉燃烧室出口烟气含氧量在4％～6％之间，保证了生产对燃烧产物的氧化气氛要求，获得了连续长期可靠运行的业绩。

Claims (2)

1.一种竖炉半无焰式高炉煤气燃烧器，主要由燃烧器本体及火道(3)两部分组成。燃烧器本体由内装的煤气送入装置(1)和套于其外部的配风器(2)所组成，其特征在于：所述送入装置(1)的本体为立式长扁形空心体，煤气出口处为渐缩形喷嘴(5)，配风器(2)的出口同样处为渐缩形，其渐缩的角度大于喷嘴(5)的渐缩形角度，使煤气和空气都以直流高速喷至装于炉墙(4)内的长扁形蓄热式火道(3)内进行混合、点火、燃烧再一并流入竖炉燃烧室(6)内。
2.如权利1所述的煤气燃烧器，其特征在于：配风器(2)内沿宽度装有两个以上煤气送入装置(1)。
CN02245917.0U 2002-08-12 2002-08-12 竖炉半无焰式高炉煤气燃烧器 Expired - Lifetime CN2560850Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN02245917.0U CN2560850Y (zh) 2002-08-12 2002-08-12 竖炉半无焰式高炉煤气燃烧器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN02245917.0U CN2560850Y (zh) 2002-08-12 2002-08-12 竖炉半无焰式高炉煤气燃烧器

Publications (1)

Publication Number Publication Date
CN2560850Y true CN2560850Y (zh) 2003-07-16

Family

ID=33717368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN02245917.0U Expired - Lifetime CN2560850Y (zh) 2002-08-12 2002-08-12 竖炉半无焰式高炉煤气燃烧器

Country Status (1)

Country Link
CN (1) CN2560850Y (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625194B (zh) * 2008-07-10 2011-01-26 周克华 带有炉箅的竖炉
CN110173692A (zh) * 2019-05-29 2019-08-27 广东东实开能能源有限公司 一种用于低热值燃气的超低氮燃烧系统
CN110822431A (zh) * 2019-11-26 2020-02-21 四川川锅锅炉有限责任公司 一种煤气燃烧器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625194B (zh) * 2008-07-10 2011-01-26 周克华 带有炉箅的竖炉
CN110173692A (zh) * 2019-05-29 2019-08-27 广东东实开能能源有限公司 一种用于低热值燃气的超低氮燃烧系统
CN110822431A (zh) * 2019-11-26 2020-02-21 四川川锅锅炉有限责任公司 一种煤气燃烧器

Similar Documents

Publication Publication Date Title
CN201680364U (zh) 中小型工业锅炉用高效低NOx粉煤燃烧器
CN102305415B (zh) 一种富氧环境下的等离子无油点火系统
CN202012913U (zh) 一种新型烟气自回流贫氧燃烧器
CN207455621U (zh) 一种燃烧低热值煤气获得高风温的高效烟气炉装置
CN107575859A (zh) 一种电站燃煤锅炉的加氧点火燃烧器及其点火稳燃方法
CN102628589A (zh) 一种煤粉高温低NOx的燃烧方法及装置
CN213207829U (zh) 一种防止水冷壁高温腐蚀的高效贴壁风系统
CN100532937C (zh) 一种小油量气化燃烧、侧向点燃中心给粉的旋流燃烧器
CN207455575U (zh) 一种电站燃煤锅炉的加氧点火燃烧器
CN110360544A (zh) 一种煤粉气化与分级预混燃烧的低氮燃烧装置
CN201606876U (zh) 一种低NOx煤粉燃烧器
CN206145669U (zh) 旋流煤粉燃烧器
CN2560850Y (zh) 竖炉半无焰式高炉煤气燃烧器
CN204165042U (zh) 中低温热烟气送粉煤粉燃烧装置
CN103148477A (zh) 一种螺旋入粉式煤粉燃烧机
CN203231538U (zh) 高效富氧燃烧多元粉体熔盐锅炉系统
CN209355293U (zh) 一种生物质燃烧器
CN102358850B (zh) 低热值固体燃料弥散气化器
CN105036573A (zh) 环形套筒窑中的煤粉燃烧工艺及其应用
CN201007476Y (zh) 双强煤粉点火及稳燃装置
CN212456842U (zh) 带蓄热稳焰锥的低热值燃气燃烧器
CN2293718Y (zh) 大量程、变负荷,浓稀相煤粉燃烧装置
CN203249237U (zh) 一种螺旋入粉式煤粉燃烧机
CN202813398U (zh) 一种低补燃量烟气等速分级反应高效热氧化炉
CN201496954U (zh) 低NOx固态排渣煤粉燃烧器

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HARBIN ELECTRICITY EQUIPMENT DESIGN INSTITUTE

Free format text: FORMER OWNER: HARBIN PUHUA BURNING ENGINEERING CO., LTD.

Effective date: 20090717

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20090717

Address after: No. 1, CXS street, Xiangfang District, Heilongjiang, Harbin Province: 150046

Patentee after: Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC

Address before: No. 1, CXS street, Power District, Heilongjiang, Harbin: 150046

Patentee before: Puhua Combustion Engineering Co., Ltd., Harbin

ASS Succession or assignment of patent right

Owner name: CHINA NATIONAL ELECTRIC EQUIPMENT CORPORATION

Free format text: FORMER OWNER: HARBIN POWER SYSTEM ENGINEERING AND RESEARCH INSTITUTE

Effective date: 20100514

Owner name: HARBIN POWER SYSTEM ENGINEERING AND RESEARCH INSTI

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 150046 NO.1, XUSHENG STREET, XIANGFANG DISTRICT, HARBIN CITY, HEILONGJIANG PROVINCE TO: 100048 CHINA ELECTRIC BUILDING, NO.9, SHOUTI SOUTH ROAD, HAIDIAN DISTRICT, BEIJING CITY

TR01 Transfer of patent right

Effective date of registration: 20100514

Address after: China Electrical Building 9 No. 100048 Beijing road Haidian District City

Patentee after: China National Electric Equipment Corp

Patentee after: Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC

Address before: 150046 Harbin street, Xiangfang District, Heilongjiang, No. 1 CXS

Patentee before: Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC

C56 Change in the name or address of the patentee

Owner name: CHINA NATIONAL ELECTRIC ENGINEERING CO., LTD.

Free format text: FORMER NAME: CHINA NATIONAL ELECTRIC EQUIPMENT CORPORATION

CP01 Change in the name or title of a patent holder

Address after: China Electrical Building 9 No. 100048 Beijing road Haidian District City

Co-patentee after: Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC

Patentee after: China National Electric Engineering Co., Ltd.

Address before: China Electrical Building 9 No. 100048 Beijing road Haidian District City

Co-patentee before: Harbin Power System Engineering & Research Institute Co., Ltd.of CNEEC

Patentee before: China National Electric Equipment Corp

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20120812

Granted publication date: 20030716