Processing Machinery
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HF Occupational Protection in PVDF Processing Workshop
Problem Phenomenon
【Problem Phenomenon】After long-term processing in the PVDF workshop, employees report respiratory irritation, and equipment rust signs are obvious
Cause Analysis
Normal PVDF processing releases trace amounts of HF; when local overheating or poor ventilation occurs, the concentration rises and endangers occupational health; HF also corrodes workshop metal facilities; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
Equip the workshop with local exhaust and overall ventilation; temperature over-limit alarm linked to shutdown; regularly test workshop HF concentration; apply anti-corrosion treatment to equipment and building metal parts; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
HF protection is standard equipment for PVDF workshops, and the three-piece set of ventilation, alarm and detection cannot be omitted; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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