气压安全距离计算

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1-γ γ
28
Barg 1.70 Barg 4.32 Barg 4.80 Barg 4.00 Barg 0.00 Barg 0.00 Barg 0.00 ft-lbf 2,611,807.27
Psig (lb/in2) 24.66 Psig (lb/in2) 62.67 Psig (lb/in2) 69.64 2 Psig (lb/in ) 58.03 Psig (lb/in2) 0.00 Psig (lb/in2) 0.00 Psig (lb/in2) 0.00
Note : Minimum Distance should be 50ft (15m) Distance (ft) Distance (m)
35
CC = R x 100%
36
94
29
Note : Minimum Distance should be 50ft (15m)
Contractor Name: Position: Signature: Date:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27
Stage 1 pressure (1.7 Barg) - Hold 10 minutes & conduct soap and bubble checks Stage 2 pressure (90% TP) - Hold 10 minutes Stage 3 pressure (100% TP) - HOLD 10 MINUTES Stage 4 Design Pressure (DP) - CONDUCT SOAP & BUBBLE CHECKS Stage 5 - Not Applicable Stage 6 - Not Applicable Stage 7 - Not Applicable Stored Energy, (E)
Engineering
Fluor Name: Position: Signature: Date:
Engineering
®
ITEM
Pneumatic Test Calculation Sheet
Calculations Contract No: Contractor: Test Package No: System under Test Description: Line Nos: INPUTS 10023 SINOPEC 720A0-0301-SO-42-TP001 HP LDPE Product from HP LDPE to Solids Center PC-030105-01 PC-030105-02 Diameter of Line (D) Length of Line (L) Total Volume of Pipe under test (V) Design Pressure (DP) Test Pressure (TP) PSV Set Pressure (Lesser of TP + 3.45 barg or TP x 110%) PSV Inlet Size PSV Outlet Size Barg 4.00 Barg 4.80 Barg 5.28 Inches 0.75 Inches 1 Inches 12.000 Metres (m) 84.30 Metres 0.305 Feet (ft) 277 Cubic Feet (ft3) 217.556 Psig (lbs/in2) 58 Psig (lb/in2) 70 Psig (lb/in2) 528 OUTPUTS
2
Weight of TNT,
30
(TNT) =
SAFETY EXCLUSION AREA
31
Radius Distance (R) = Z x E
1/3
94
29
32ຫໍສະໝຸດ Baidu33 34
where, Z = Zone (147.8 for Zone 1 & 76.7~45.8 for Zone 2) = 76.7 ( Reference: Langley Research Center, LPR 1710.42 Table D-1 ) COMMAND CENTRE SETBACK DISTANCE (CALCULATED)
29
E =
PV γ -1
1 -
P P atm
Where, P = P atm = = V = γ = E 1,424,033
Test Pressure (TP), lb/ft absolute Atmospheric Pressure, lb/ft 2 absolute 2,116.00 (D) x (L), ft 3 1.4 Pounds (lbs) 1.83 Radius (ft) Radius (m)
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