The harm of dust to crushing, mixing and human body in pharmaceutical and chemical production is briefly described. The key points of safe operation and matters needing attention of pressurization and negative pressure device are briefly described.
For the particularity of pharmaceutical and chemical production, the harm to operators in the process of crushing and mixing is not only a simple dust hazard, but also the harm to personnel in the drugs that may be contacted depends on the types and properties of drugs. People can't fully know the nature of the manufactured goods. The occupational hazards caused by this are far more than pneumoconiosis, and the possibility of causing unknown injuries to operators is greatly increased. Flammables are involved, and there is also the possibility of combustion and explosion.
Negative pressure operation can essentially keep the operator away from dust and realize essential safety. Precautions during operation should not be too high, so as to avoid drug being sucked away or equipment being damaged, resulting in economic losses. Secondly, pay attention to the fact that combustible materials cannot be accumulated in the pipeline to avoid fire and explosion. Third, we should pay attention to the smooth flow of pipelines to achieve the best results. Positive pressure air respirator can also be applied to the human face. Backup measures to increase the effect and avoid negative pressure damage