Tekstil Boyahane Yangini: NFPA 33 Spray Booth ve Solvent Havalandirma

Tekstil boyahaneleri etanol, izopropanol ve toluen gibi yanici solventlerle calisir. Spray booth, kurutma firini ve solvent deposu NFPA 33 (Spray Application Using Flammable or Combustible Materials) ve NFPA 86 kapsamindadir. Kumas uzerinde biriken solvent buharlari Class I Div 1 tehlikeli alan olusturur.

Spray Booth Tasarimi

• Hava hizi: 0.5 m/s (100 fpm) yatay kesit
• Kaplama: Yanmaz metal (0.9 mm celik)
• Filter bank: Overspray tutucu, haftalik degisim
• Fan: Spark-resistant (non-ferrous blade)
• Interlock: Fan arizasi - spray durdur

Solvent LEL ve Havalandirma

• Etanol LEL: 3.3 percent (61,000 ppm)
• Toluen LEL: 1.1 percent (11,000 ppm)
• Calisma limiti: percent 25 LEL max
• Havalandirma: 30 m3/min/m2 booth alani
• LEL detector: 10 percent alarm, 25 percent shutdown

NFPA 33 Sprinkler ve Extinguisher

• Booth sprinkler: OH2, K=8, 15 L/min/m2
• Drain sprinkler: Exhaust duct icinde 4 m aralik
• Portable: 20B:C CO2 her 10 m
• Dry chemical: Automatic booth protection (ABC)

Class I Div 1 ve Elektrik

• Booth ici: Class I Div 1 (NFPA 70)
• Booth 1 m disina: Class I Div 2
• 3 m disina: Non-classified
• Aydinlatma: Explosion-proof LED (UL 844)
• Static bonding: Ic durumu 1 ohm max

Boyahane Havalandirma MEP Calc ile

MEP Calc tekstil boyahane spray booth hava hizi, solvent LEL izleme ve makeup air debisini NFPA 33 uyarinca hesaplar.

MEP Calc'i App Store'dan indir