Fluid Catalytic Cracking (FCC) birimi agir hidrokarbon atigini benzine cevirir. Riser 520 C, regenerator 720 C ve 4-5 bar basinc altinda calisir. Texas City 2005 patlamasi 15 kisiye mal oldu. NFPA 30, API 2510 ve API RP 752 FCC koruma kurallarini verir.
FCC Proses
- Feed: VGO 350 C
- Catalyst: Zeolit 5-100 mikron
- Riser: 520 C, 2-3 sn temas
- Regenerator: 720 C cat yakimi
- Kapasite: 40,000-100,000 varil/gun
Riser ve Catalyst Risk
- Erozyon: Catalyst metal asinma
- Feed pipe hot spot: 750 C
- Expander: Flue gas 720 C turbin
- Slurry pump: Seal yangin
- Hot rotating: Buhar perdesi
Water Spray NFPA 15
- Vessel exposure: 10.2 L/min/m2
- Riser: 20.4 L/min/m2 ozel
- Structural steel: 4.1 L/min/m2 column
- Monitor nozzle: 20 L/sn 45 m menzil
- Duration: 4 saat
Texas City 2005 Dersi
- Kaza: Isomerization unit overfill
- Olu: 15, yarali 180
- Neden: Trailer konumlandirma
- CSB rapor: Safety culture
- MOC: Management of Change zorunlu
Turk Rafineri FCC
- Tupras Izmir Aliaga: FCC 40,000 bpd
- Tupras Kirikkale: Unit 2
- STAR Aliaga: SOCAR 2018
- BYKHY Ek-12: Petrokimya
- SEVESO III: Upper-tier
FCC SprinkCalc ile
SprinkCalc FCC unit riser water spray 20.4 L/min/m2, monitor nozzle 20 L/sn, structural 4.1 L/min/m2 ve NFPA 30 API 752 kontrolu yapar.
SprinkCalc'i App Store'dan indir
Kaynaklar & İleri Okuma
NFPA 30, NFPA 15, API 2510, API RP 752, CSB Texas City. NFPA 30 Flammable and Combustible Liquids.