呼吸性粉尘对综采工作面环境质量影响的评价

EVALUATION OF THE EFFECT OF RESPIRABLE DUST ON THE QUALITY OF ENVIRONMENT IN A FULLY MECHANIZED FACE

现行的评价指标及测试方法不能完全反映工作面环境质量的好坏，因此，本文依据劳动卫生学的要求，通过分析，建议用呼吸性粉尘浓度对时间和工作面长度的加权平均值作为环境质量的评价指标：依据离散传质和数学叠加的原理给出了新评价指标的计算方法和测量位置．实例计算表明，数学模型值与实测值基本一致．

The current index and the test method for evaluation can not fully represent the quality of environment in a fully mechanized sub level caving face.The weighted average value of respirable dust based on time and coal face length is recommended as an index for evaluation to satisfy the requirements of labor hygiene.The method and measuring position of the new index are proposed in the principle of dispersion and mathematical superposition.Calculation of examples shows that the calculated data coincide with the measured data.