点火油枪和浓稀相燃烧器技术在75t/h电站燃煤锅炉上的应用

详细介绍了点火油枪技术和浓稀相燃烧器技术在鞍钢第一发电厂西部电站75t/h燃煤锅炉应用的实践过程.点火油枪技术可使燃煤锅炉在点火时摆脱对气体燃料的依赖,浓稀相燃烧器技术可使燃煤锅炉在运行时减少稳燃重油量,对于电站锅炉两者都有推广应用价值.     

WGZ220—100／13型煤粉锅炉燃烧器改造

介绍了本钢发电厂WGZ220—100／13型煤粉锅炉燃烧器改造的原因，以及少气煤粉燃烧器的设计依据和工程应用效果，解决了锅炉点火升压问题。     

142t/h锅炉燃烧器改造与应用

本文针对广钢热电厂142t/h锅炉燃烧器存在的问题进行分析，就煤粉燃烧器和点火枪的应用及改造进行了阐述。     

能源公司动力1号锅炉高炉煤气燃烧器改造

介绍了220t／h掺烧高炉煤气的煤粉锅炉的高煤燃烧器改造。锅炉原设计以焦炉煤气点火，采用煤粉升负荷，锅炉燃烧稳定后投入高煤，但是存在锅炉在点火过程中锅炉后部烟道积水、影响电除尘器的投运、高炉稳定掺烧量达不到要求等问题。针对上述问题，对原有的高煤管式燃烧器进行了改造，优化了管式高煤的燃烧特性，实现了通过焦煤引燃高煤，以高煤来升炉升压，提高了高煤的使用量，降低了动力生产成本。     

220t／h锅炉高炉煤气多管式燃烧器的改造

梅山热电厂1^#锅炉升炉时尾部烟道积水,煤粉无法投用,经过对锅炉煤气燃烧器的改造,点火方案的优化,问题得以解决,且高炉煤气掺烧量高于国内同类型锅炉。     

35t/h全烧高炉煤气锅炉自动点火系统的应用

通过对锅炉点火系统设备的构成、配套工艺的阐述，结合新锅炉的安装建设，设计完成自动点火系统的安装及凋试，使锅炉的点火操作简易，自动化程度高，降低了工人的劳动强度，提高了锅炉设备点火安全的可靠性。     

1100MW机组等离子点火特性的数值模拟

以Fluent软件为计算平台,基于计算流体力学、计算传热学和计算燃烧学的原理,对1100MW机组锅炉采用等离子点火系统,针对设计制造的单角等离子体点火燃烧器煤粉燃烧过程进行气粒两相三维流动、换热和燃烧的数值模拟,预测了不同煤粉空气配比条件下的炉膛内气粒两相流动、温度场分布、气相组分浓度场分布等情况,为机组锅炉等离子点火系统的实际运行提供指导。     

SC-DF燃烧器的节油稳燃机理及应用

SC－DF燃烧器是一种焦点火、低负荷稳燃、节油于一体的新型燃烧器。对其点火稳燃机理及结构原理进行了分析，并通过它在WGZ670／13．7－8型掺烧高炉煤气锅炉上的应用。表明其具有较好的安全性和经济性。     

点火程序控制和熄火联锁保护装置在燃气锅炉上的应用

自动点火和熄火保护系统系统在设备能源部现有锅炉系统中属首次应用,通过PLC系统实现自动点火及熄火保护,在煤气压力不正常及炉膛熄火时,能够自动切断主管路煤气,能有效防止锅炉回火、炉膛爆燃、煤气外泄等情况的发生,提高了锅炉点火和运行时的安全性和可靠性,同时为其它锅炉实现自动点火提供了借鉴和依据。     

蒸汽锅炉改造设计与运行分析

为解决某厂75t中压蒸汽锅炉存在的热效率低、结焦严重、出力不足等问题，以达到稳定运行，增产降耗的目的。通过分析论证，对其进行了以燃烧器、风道、点火方式为主的一系列技术改造，并对改造前后锅炉运行状况和燃烧器热场进行了对比与试验测试。     

Chinalco Signed Framework Agreement for Strategic Cooperation with Harbin Municipal Government

正Last month,Chinalco signed framework agreement for strategic cooperation with Harbin Municipal Government in Harbin Xiong Weiping,Chairman of Chinalco,said that based on the strategic deployment to build world top-class mining company with the highest growth potential,Chinalco was now concentrating all efforts on making strategic transition and structural adjustment,strategic cooperation with the local governments where     

Jiangxi Promotes Jiangxi Copper Corporation To Become The World's Most Competitive Mining Company

<正>According to the latest info from Jiangxi Province State-owned Assets Supervision and Administration Commission,Jiangxi Copper Corporation was approved to become the first pilot enterprise for deepening reform.Contents of the pilot work is"Three Self"(self expansion,self decision-making,self     

Journal of Rare Earths Contents List of Vol.32(2014)

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Contributions to Baosteel Technical Research wanted

正Baosteel Technical Research,a quarterly journal,which is issued domestically and abroad,is run and sponsored by Baosteel Group Corporation.Baosteel Technical Research mainly reports the achievements in technological innovation,academic research,new product development and industrial equipment improvement by Baosteel.It will continue to follow up on hot topics and serve the company’s technological development and progress.Its readers include experts in     

Ministry of Industry and Information Technology: No Short Term Solution For Our Country’s Excess Nonferrous Metal Smelting Capacity

【正】According to the Ministry of Industry and Information Technology,the Ministry has released the 2013 Operation Report on China’s Industrial Communication Indu...     

Chinalco Signed Framework Agreement for Strategic Cooperation with Gansu Province

正Recently,Chinalco and Gansu Provincial People’s Government signed"Framework Agreement for Strategic Cooperation on Reform,Restructuring and Transition Development of Chinalco’s Electrolytic Aluminum Enterprises in Gansu",signifying that the strategic cooperation between Chinalco and Gansu Province had made new substantive progress.     

Unavoidable Economic Cycle:30% Of Nonferrous Metal Companies Were Involved In Restructuring

正Owing to continual downturn in real estate and bulk commodity markets,a number of traditional industries in China suffered unfavorable impact in performance.With the progressive disclosure of third quarter report,the no-pleasant-surprise performance of     

Baotou Rare Earth Became the World's Biggest High Performance Magnetic Material Base

正The High Performance Magnetic Material Phase II Project,an industry upgrading project implemented by Inner Mongolia Baotou IronSteel Rare Earth(Group)Hi-tech Co.,Ltd,recently basically finished equipment commissioning,signifying that the enterprise had developed the production capacity of15000 t/a Nd-Fe-B strip casting alloy and 5000t/a Nd-Fe-B magnet,thus becoming the world’s     

Introducing Two Central Enterprises to Integrate Rare Earth Industry,Shandong Rare Earth Group Breaks Surface

正With the signing of"Letter of intention for Propelling Integration of Shandong Rare Earth Enterprises"between Shandong Province Commission Of Economy and Informatization,China IronSteel Research Institute Group("China Steel Institute"),and China Rare MetalsRare Earth Co.,Ltd("China Rare Earth"),the"Shandong Rare Earth Group"jointly set up by the 3 units thus broke surface.On August 9,reporters of the China Economic Herald learned from Shandong Province     

Aluminium Production by Province or City in 2014

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