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阐述节能降耗的重要意义,并以本钢氧气厂为例,重点分析造成氧气放散率较高的原因以及降低放散率的可行性方法和措施。 相似文献
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对氧气厂投运气氧液化设备的生产经营状况及效益进行分析,通过对实际使用情况的描述,说明使用该套设备对于减少氧气放散率,拓展液化气体销售市场取到了有力的推进作用. 相似文献
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济南钢铁集团总公司通过对氧气厂、第二动力厂制氧站制氧能力和炼钢、炼铁厂等总用氧量的综合平衡分析,统一调度协调生产,使氧气放损率由14.34%降到6.94%,年节约氧气1197万m3,节电800万kW·h,综合经济效益1220万元。 相似文献
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济钢氧气厂的两台3350m3/h、一台3200m3/H制氧机和6台4M—12、5台zy—33/30氧压机一直采用的是地下水直流来冷却设备,总用水量为2100m3/h,耗费大量的地下水资源,增加了氧气生产成本,由于济南地区地下水硬度高,未经处理,结垢和腐蚀严重,结垢使设备的冷却效果越来越差,用水量不断增加,使氧气的产量逐步递减,造成恶性循环,垢下腐蚀又缩短了设备的寿命。氧气厂在引进前苏联15000m3/h制氧机冷却水加药处理闭路循环成功经验的基础上,对直流冷却供水系统进行了加药处理闭路循环供水的改… 相似文献
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攀钢氧气厂通过加强设备润滑管理,严把油品质量关,大力开发油液监测,降低了设备维修成本,取得了显著的经济效益和社会效益。 相似文献
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1982年10月,在美国亚利桑纳州菲尔普斯·道奇公司莫伦西炼铜厂的3号反射炉上,第一次用新建氧气厂生产的氧气,开始使用氧—燃料烧咀和氧气精矿燃烧的氧气喷撒烧咀熔炼。1982年10月,在这座炉的炉顶上安装氧—燃料烧咀。同时停止使用装在炉头的全部旧式 相似文献
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实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。 相似文献
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正Shijiazhuang City will build the world’s biggest replacing-copper-with-aluminum cable production base,the annual output value can reach 100 billion yuan,in the future it will develop replacing-copper-with-aluminum highend industry cluster.This piece of news was learned by the reporter at the Rare Earth highiron Aluminum Alloy[Nonferrous Business Opportunity:Aluminum alloy door]Cable Conductor New Technology Application Seminar held at the provincial capital. 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正Since the beginning of Chongqing’s upgrading to a municipality directly under the Central Government,Chongqing City has established direct friendly relationship with Almaty,Kazakhstan,and carried out a series of cooperation in commerce and trade,and culture 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正"For each tonne of aluminum being produced,the upstream enterprise on the aluminum industrial chain will suffer loss about 2000yuan."Said Liang Xiao,Deputy Director of Pingguo Industrial Park Management Committee under the Guangxi Baise City,one of the four major aluminum industry bases in China,on August 11.Extending aluminum 相似文献
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正Immediately after the news that Chinalco transferred 58%stock equity of Yunnan Copper Group to its wholly-owned subsidiary China Copper Corporation Limited free of charge was disclosed on July 9,many individual investors couldn’t help but to think:Does it mean China Copper Corporation Limited will assemble assets for overall listing?At present,among main copper business companies under China Copper Corporation 相似文献
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正At the press conference recently held by the National Development and Reform Commission under the theme"Deepen Reform in Investment AuditApproval System",when answering questions from reporters,Huang Min,Director of the Department of Fixed Assets Investment of the National Development and Reform Commission,said that in the future it would continue to intensify efforts in geological prospecting,and actively guide social capital to enter this field. 相似文献
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正Recently,Guangxi Metallurgical Research Institute,a subsidiary of Guangxi Nonferrous Metals Group,completed survey on laterite and related manufacturers in the region,by combining the current development status of laterite both at home and abroad,it compiled Guangxi’s first"Research Report on the Development of Guangxi Nickel Industrial Chain"which adopted laterite as the study subject.This report expounded on the current 相似文献
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