...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mining Engineering >Joy Global devlops new shields; Ultra-heavy longwall shields are put to use in Australia
【24h】

Joy Global devlops new shields; Ultra-heavy longwall shields are put to use in Australia

机译：Joy Global开发了新的防护罩;超重长壁护盾在澳大利亚投入使用

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Joy Mining Machinery has developed a new generation of ultra-heavy shields for Anglo Coal Australia's Moranbah North Mine in the Bowen Basin region of Queensland. These are the largest two-leg longwall shields yet produced by Joy. The longwall at Moranbah North posed a number of challenges, among them a thick, inclined, sometimes undulating seam with increasing depths. The result of this was the need for larger, heavier, more powerful roof supports. Knowing that future longwalls would be going deeper, mine management determined that shield yield ratings of at least 1,750 t (1,930 st) was what would be required.
机译：Joy Mining Machinery已为昆士兰州Bowen盆地地区的Anglo Coal Australia的Moranbah North矿开发了新一代超重防护罩。这些是Joy生产的最大的两腿长壁防护板。北莫兰巴（Moranbah）的长壁带来了许多挑战，其中包括厚度不断增加，倾斜，有时起伏不平的煤层。其结果是需要更大，更重，更强大的车顶支架。矿山管理人员知道未来的长壁井将会越来越深，因此确定需要至少1,750 t（1,930 st）的盾构产量。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号