Читать книгу Explosion Vented Equipment System Protection Guide - Robert C. Comer - Страница 14
Оглавление
Typical Dust Collection System Checklist
Example (Rectangular Dust Collector)
System Identification: Typical dust collector example
Process Product: No specific product assumed
Product Pmax_____________ Product Kst________ Pred = 5.0 psi assumed
Basis of Pmax and Kst: Was product dust tested ____Y ____X __N
Were values approximated from a chart ____Y ___X ___N
Other: Average values assumed for this example
Dust collector: If square or rectangular
Pressure rating from manufacturer: ±20 in water gauge
Basis for rating: 60% of 0.2% yield strength, or other__________
Is vessel located inside or outside? Inside
Top width: 97.75 in. Depth: 38.25 in. Height: 27.75 in.
Top sheet thickness: 10 ga. (0.1345 in.)
Sides height: 108.25 in.
Sidewall thickness: 10 ga. (0.1345 in.)
Reinforcing on top or walls: None
Volume of dust collector: N/A
Dust collector: If cylindrical
Pressure rating from manufacturer:_________________
Basis for rating: ________% of 0.2% yield strength, or other_______
Diameter: _________
Type of top: Flat______ Ellipsoidal__________ Torispherical_______
Thickness of top: _______
Thickness of cylinder wall: _______
Length of cylinder: ______________
Volume of dust collector: ______________________________________
Hopper height: 30.50 in. Discharge size: 9.25 in. × 9.25 in.
Hopper wall thickness: 10 ga. (0.1345 in.)
Dust collector/hopper flange size and thickness: 2″ × 2″ × 1/4″ angle
Bolt size and spacing: _________________________________________
Volume of hopper: N/A
Number of bags/cartridges: N/A
Bag/cartridge diameter: __________ Number of bags/cartridges: ______
Bag/cartridge volume: ______________
Access door width and height: 37.875 in. × 40 in.
Access door thickness: 10 ga. (0.1345 in.)
Reinforcing on door: None
Type of latching:Clamps________________ Bolts _________________________Hinges ____________ Hinge pin diameter __________________
Nozzles: Diameter __________________________________
Dusty air inlet dimensions: _____________________________
Clean air outlet dimensions: ____________________________
Leg supports:Size: ______ Number of supports: 4 Length of supports: 78.50 in.Footpad size and thickness: 7.50 in. × 7.50 in. × 1/2 in.Attachment to floor or ground: 3/4 in bolts to floor
Explosion vent information:
Manufacturer/part number: N/A
Size: Round _______ Square/rectangular: 24 in. × 24 in.
Vent pressure rating: 1.0 psi ± 0.25 psi Vent area: ___________________
Flange size: 2″ × 2″ × 1/4″ angle Bolt size and number
Distance from top of dust collector: 35 in.
Duct information:
Size: 24 in. × 24 in. Length: Wall thickness: 10 ga. (0.1345 in)
Any bends at end of duct?
Screw conveyor:
Cover width __________ Cover length _________ Thickness _________
Spacing and size of bolts or clamps on cover:
