水平连铸送坯装置频繁损坏原因分析及改进措施

通过对水平连铸机送坯辊道的受力情况进行全面分析和计算,并采用高硫合金自润滑轴承代替原单列滚针轴承,有效地解决了高温条件下送坯辊道频繁损坏的问题,送坯辊的平均使用寿命由2个月以下提高到20个月以上。同时,因辊道窜动引起的铸坯弯曲情况得到改善。     

韶钢第二炼钢厂连铸机输送辊道改进

韶钢第二炼钢厂连铸机输送辊道轴承润滑系统设计不合理导至运行中轴承和轴承座的频繁更换 .用水冷轴承座取代原设计后使轴承座和轴承更换减少了 6 0 %和 6 4 .5 % .     

步进式加热炉炉内辊道的改进设想

分析炉内辊道轴承易损的原因，闸述对该辊道的改进设想。     

油气润滑技术在高线斯太尔摩风冷辊道的应用

介绍了唐钢高线斯太尔摩风冷辊道轴承及传动链条用油气润滑取代干油润滑,延长了辊道轴承及链轮、链条的使用寿命,消除了辊道事故,减少了油脂消耗,提高了产品合格率,取得了显著效益。     

油气润滑系统在加热炉辊道轴承润滑上的应用

通过对加热炉装出料辊道轴承工作环境和干油润滑方式的分析，结合油气润滑的突出优点，对该部分辊道进行了油气润滑改造。     

精轧机辅助辊道电机及传动装置改造

为提高精轧机前辅助辊道的稳定运行效率,选用型号为YGP315L-8的专用辊道交流电机代替原设计中的直流电机,将运行中容易损坏的减速机去除,并采用可伸缩式十字轴式万向联轴器连接电机与辊子,改造后,电机及辊道使用寿命提高到4个月以上。     

油气润滑技术在高线斯太尔摩风冷辊道的应用

介绍了唐钢一高线斯太尔摩风冷辊道轴承及传动链条用油气润滑取代干油润滑的改造,采用油气润滑后,延长了辊道轴承及链轮、链条的使用寿命,消除了辊道事故,减少了油脂消耗,提高了产品合格率,取得了显著效益。     

固体自润滑轴承在小方坯连铸机上的应用

用F2-0.5材料制成的自润滑轴承，应用于天钢第二炼钢厂两台小方坯连铸机的整个辊道系统，经过多年使用，耐热、耐磨完全可取代原油脂润滑的滚动轴承，安装方便、节省维修工时、减轻工人劳动强度、提高整机作业率、经济效益显著。     

3450轧机机后辊道的改进

主要是针对韶钢3450轧机机后辊道断辊的问题进行分析,发现主要问题是辊子强度和轴承承载能力不足,针对发现的问题提出了改进措施,主要是对辊子、轴承、辊道架、轴承座等相关部件重新设计,加大辊子和轴承的承载能力。机后辊道改造后,取得了很好的效果,减少了设备故障率,延长了设备使用寿命,同时,本次机后辊道的成功改进也为类似设备故障解决提供参考。     

对减少中宽带厂层冷辊道故障的研究

对凌钢中宽带厂层冷辊道轴承抱死原因进行了分析，并提出改造方案，实施后效果明显。     

China's Major Non-ferrous Metals Imports & Exports

正~~     

Zinc Production by Province in 2014

正~~     

80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<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     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

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,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

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     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

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     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

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,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

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.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

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.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

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.