Material Analysis
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PVC Workshop Ventilation
Problem Phenomenon
The PVC workshop had a pungent odor, operators had respiratory discomfort, and environmental inspection failed
Cause Analysis
PVC processing releases trace HCl gas, which irritates the respiratory tract after accumulation; concentration exceeds the limit when workshop ventilation is insufficient; release increases sharply during degradation accidents, requiring more protection
Solution
①Equip the workshop with a ventilation and exhaust system; ②evacuate personnel and strengthen exhaust during degradation accidents; ③regularly test workshop gas concentration; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
HCl protection in PVC workshops is an occupational health requirement; ventilation plus testing, normalized management; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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