Briefly describe the pharmaceutical chemical production of dust on the crushing, mixing operations and human injury Briefly describe the pressurized negative pressure unit operation of the safety operation points and precautions
For the special characteristics of pharmaceutical and chemical production, in the crushing and mixing process may be harmful to the operator is not only a simple dust hazards, may be exposed to the hazards of the drug to the personnel depends on the type and nature of the drug. People can't fully know the nature of the goods that have been manufactured. The resulting occupational hazards go far beyond pneumoconiosis, and have the effect of greatly increasing the likelihood of unknown injuries to the operator. Involving combustible items, there is also the possibility of combustion and explosion.
Negative pressure operation can essentially allow the operator to not come into contact with the dust, to achieve intrinsic safety. Operation should pay attention to matters when the negative pressure can not be too high, so as not to be sucked out of drugs or equipment damage, resulting in economic losses. Secondly, pay attention to the pipeline can not accumulate combustible items, so as to avoid fire and explosion. Thirdly, pay attention to the smoothness of the pipeline to achieve the best results. Also available personnel face plus positive pressure air respirator. Increase the effect and to avoid negative pressure damage after the backup measures