共查询到20条相似文献,搜索用时 46 毫秒
1.
2.
为了提高室式锻造加热炉的热效率,赶上世界先进水平,国家经委于1983年将本课题列入38项科研攻关项目下达到机械部第五设计研究院,要求将室式锻造加热炉的热效率提高到20%以上,以适应节能形势的要求。 相似文献
3.
4.
钢厂加热炉热效率的高低直接关系到企业的能耗,通过对某钢厂台车加热炉热效率分析和提出改进措施,提高了加热炉的热效率,降低了能源消耗. 相似文献
5.
钢铁工业是一个大量消耗能源的部门,其中轧钢生产占钢铁企业总耗能量的1/3,而轧钢加热炉的燃料消耗占轧钢总能耗的70%合理地使用好这部分燃料,以最低的能耗生产出数量多、质量高的合格钢材,已成为冶金工作者十分关注的重大课题。近几年来,我们国家对节约能源极为重视,在轧钢加热炉节约燃料,提高热效率方面做了大量的工作,取得了一定的成效。上钢一厂650轧钢车间加热炉的热效率平均达45.2%,赶上了国际水平。但国内大多数轧钢加热炉由于管理不善、设备不全、工艺落后、缺少计量、操作水平低,造成燃料消耗高,热损失大。热效率一般在30%左右,甚致更低。为了节 相似文献
6.
7.
作者根据近年来各企业重视经济效益,节约能源等问题,介绍了国外对冶金企业耗能最大的加热炉采用计算机进行过程控制的先进技术,应用这一技术与人工操作相比燃料消耗降低了10%以上,热效率和生产率都达到最佳化。因此,加热炉的计算机过程控制是实现节能和提高成材率,延长炉子寿命,提高作业率的主要措施. 相似文献
8.
9.
分析加热炉现状,从优化工艺制度,改进加热炉供热情况,采用新材料,新材料提高加热炉热效率几方面谈加热炉节能的具体途径。 相似文献
10.
本文阐述了豫光金铅天然气加热炉采用蓄热式燃烧技术的改造方案,探讨了其在生产运行中出现的问题及解决措施,介绍了改造后的主要节能效果。实践证明,蓄热式燃烧技术在铅冶炼天然气加热炉上的节能效益显著,环保性能优异,加热炉热效率可提高20%以上,具有较好的推广前景。河南豫光金铅股份有限公司是国内最大的电铅和白银生产企业,产品涵盖电铅、粗铅、次氧化锌、硫酸、粗铜、金、银、锑白、精铋、合金铅等十余种产品。 相似文献
11.
12.
13.
<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic 相似文献
14.
正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field, 相似文献
15.
《China Nonferrous Metals Monthly》2014,(10)
正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF 相似文献
16.
《China Nonferrous Metals Monthly》2014,(10)
正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure 相似文献
17.
《China Nonferrous Metals Monthly》2014,(10)
正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year, 相似文献
18.
《China Nonferrous Metals Monthly》2014,(12)
正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform. 相似文献
19.
正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness. 相似文献
20.
正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully. 相似文献