• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Tunnelling and underground space technology >Experimental investigation and field application of pulse-jet cartridge filter in TBM tunneling construction of Qingdao Metro Line 8 subsea tunnel
【24h】

Experimental investigation and field application of pulse-jet cartridge filter in TBM tunneling construction of Qingdao Metro Line 8 subsea tunnel

机译：青岛地铁8号线隧道TBM隧道施工脉冲喷射盒滤波器的实验研究及现场应用

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

In the process of large-scale urbanization, the increase of traffic flow has led to severe traffic jam in large and medium-sized cities. The metro can effectively relieve this problem, but large amounts of dust, which affects human health and safe production, will be generated during metro tunneling construction. While traditional methods such as water spray, ventilation and foam dedusting have some shortcomings, cartridge filters boast high dust collection efficiency, zero water consumption and no secondary pollution. Cartridge filters are suitable for the construction of subsea tunnels with water inrush problems. In order to solve the dust pollution during tunnel boring machine (TBM) tunneling in the Qingdao Metro Line 8 subsea tunnel, a cartridge filter was designed independently in this study. The optimization-factors were adopted to improve the uniformity of pulse-jet cleaning among filter cartridges. The optimized injection pipe was adopted in the design of pulse-jet cleaning system. Before the dust collection system in the TBM tunneling face was renovated, the dust concentration increased with the increase of running time. The total dust and respirable dust collection efficiencies of three measuring points were all lower than 70% when the axial flow fan ran for about 1 h and lower than 55% when it ran for about 4 h. After the renovation, the total dust and respirable dust collection efficiencies of three measuring points became higher than 92%, and the concentrations of total dust and respirable dust 20 m away from the cutterhead-changing platform were lower than 2 mg/m(3). This indicates that the renovated cartridge filter effectively reduced the dust concentration and improved the working environment.
机译：在大规模城市化的过程中，交通流量的增加导致了大中城市的严重交通堵塞。地铁可以有效缓解这个问题，但在地铁隧道建设期间将产生大量影响人类健康和安全生产的灰尘。虽然传统方法如喷水，通风和泡沫除尘，但墨盒过滤器具有较高的灰尘收集效率，零耗水，零污染。墨盒过滤器适用于带浪涌问题的海底隧道的构建。为了解决隧道镗床（TBM）隧道隧道隧道隧道8个海底隧道，在本研究中独立设计了一个盒式滤筒。采用优化因子来改善滤筒之间脉冲喷射清洁的均匀性。采用优化的喷射管在脉冲喷射清洁系统的设计中。在翻新TBM隧道面的集尘系统之前，随着运行时间的增加，灰尘浓度增加。三个测量点的总灰尘和可吸尘收集效率均低于70％，当轴流风扇持续约1小时并在其耗尽约4小时时低于55％。翻新后，三个测量点的总灰尘和可吸尘效率高于92％，总灰尘和可吸入灰尘的浓度远离切割器变性平台20mg / m（3） 。这表明翻新的盒式滤筒过滤器有效地降低了粉尘浓度并改善了工作环境。

著录项

  • 来源
    《Tunnelling and underground space technology》 |2021年第2期|103690.1-103690.9|共9页
  • 作者

    Li Shihang; Jin Hao; Hu Shuda; Junior Joaquim Fernando Manhica; Xie Biao; Liu Hao; Tan Xiaoyu; Zhou Fubao;

  • 作者单位

    China Univ Min & Technol Low Carbon Energy Inst Jiangsu Key Lab Coal Based Greenhouse Gas Control Xuzhou 221008 Jiangsu Peoples R China|China Univ Min & Technol Low Carbon Energy Inst Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

    China Univ Min & Technol Jiangsu Key Lab Fire Safety Urban Underground Spa Xuzhou 221116 Jiangsu Peoples R China|China Univ Min & Technol Sch Safety Engn Xuzhou 221116 Jiangsu Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cartridge filter; Tunnel construction; Dust collection; TBM tunneling;

    机译：盒式滤芯;隧道结构;灰尘收集;TBM隧道;

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