粉尘爆炸预防与控制是涉及可燃粉尘操作的企业需要关注的重点之一,如集尘器、干燥器、粉碎、打磨等操作。据公开数据,2020年全球共发生165起粉尘引起的火灾及60起粉尘爆炸,共导致10人死亡及88人受伤,而2021年全球共发生163起粉尘引起的火灾及53起粉尘爆炸,共导致69人死亡及215人受伤。应急管理部于2021年发布了第6号应急管理部令-工贸企业粉尘防爆安全规定,同时诸如精细化工的其他行业也涉及大量的可燃粉尘,需要系统性地评估粉尘爆炸风险。
粉尘爆炸,粉尘爆炸可爆性筛选、粉尘云爆炸压力、粉尘云爆炸压力上升速率(Maximum rate of explosionpressure rise)、爆炸指数(Explosion index)、粉尘云*小爆炸浓度(Minimum ExplosionConcentration)、也称:爆炸下限(LEL, Lower ExplosionLimit)、粉尘云*小点火能量(Minimum Ignition Energy)、粉尘云着火温度(Minimum IgnitionTemperature of dust cloud)、粉尘层着火温度(Minimum Ignition Temperature ofdust layer)、粉尘云**氧浓度(Limiting Oxygen Concentration)。
粉尘爆炸检测标准
粉尘爆炸检测参考标准
GB/T 粉尘云爆炸压力和爆炸指数测定方法
ISO 6184/1-1985 Determination of explosion indices of combustibledusts in air
BS EN 14034-1:2004 Determination of the maximum explosionpressure Pmax of dust clouds
BS EN 14034-2:2006 Determination of the maximum rate of explosionpressure (dp/dt)max of dust clouds
ASTM E 1226-10 Standard test method for explosibility of dustclouds
GB/T 粉尘云爆炸下限浓度测定方法
BS EN 14034-3:2006 Determination of the lower explosion limit LELof dust clouds
ASTM E 1515-07 Standard test method for minimum explosibleconcentration of combustible dusts
GB/T 粉尘云*小着火能量测定方法
IEC 61241-2-3-1994 Test methods Section 3 Method for determiningminimum ignition energy of dust air mixtures
BS EN Determination of minimum ignition energy of dust/airmixtures
ASTM E 2019-03(2007) Standard test method for minimum ignitionenergy of a dust cloud in air
GB/T 粉尘云着火温度测定方法
IEC 61241-2-1:1994 Test methods Section 1 Methods for determiningthe minimum ignition temperatures of dust
BS EN 50281-2-1:1999 Electrical apparatus for use in the presenceof combustible dust-Part 2-1: Test methods-Methods of determiningminimum ignition temperatures
ASTM E 1491-06 Standard test method for minimum autoignitiontemperature of dust clouds
GB/T 粉尘层着火温度测定方法
ASTM E 2021-09 Standard test method for hot surface ignitiontemperature of dust layers