防爆起重机标准及选用研究

摘要

To better guide the selection of explosion-proof crane and site inspection and study technical standards of crane for explosive environment, the paper analyzes standard specifications of different kinds of explosion-proof cranes against Catalogue of Special Equipment (2014 version), discusses the basis of selecting explosion-proof crane based on standard of explosion-proof electrical apparatus GB 3836 and GB 12476 series, and identifies discrepancies in dust explosion prevention standard. The paper further makes clear that technical requirements of equipment vary with environments through by common cases in model selection. The paper ends with pointing out problems in China's current explosion-proof crane inspection such as unsound standards, conflicting dust explosion prevention standard and confusing equipment classification concept as evidenced by lots of explosion-proof data and site inspection practices.%为了更好地指导防爆起重机的选用和现场检验,研究爆炸性环境用起重机技术标准,根据《特种设备目录》(2014版),分析不同品种防爆起重机标准规范,结合防爆电气设备标准GB 3836系列和GB 12476系列,探讨了防爆起重机选用的依据,指出粉尘防爆标准的不统一.进一步通过2个常见的设备选型问题,明确了不同环境对设备技术要求的不同.最后,结合大量防爆资料和现场检验实践,指出我国现行防爆起重机检验存在标准不健全,粉尘防爆标准冲突,设备分级概念易混淆等问题.