propuesta de un plan de mantenimiento preventivo a unidades de refrigeración tipo ChillerDescripción completa
Cgah Chiller IomDescripción completa
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Understanding Chiller Efficiency
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HEAT EXCHANGER SPECIFICATION SHEET
PT TROPIK ENERGI PANDAN Units
Job No. Reference No. Proposal No. Date 5/23/2017 Rev Item No. Type BKU Horz. Connected In 4 Parallel 1 Series Shell/Unit 4 Surf/Shell (Gross/Eff) 650.11 / 629.45 ft2 PERFORMANCE OF ONE UNIT Shell Side Tube Side HC GAS FROM LTS HC GAS FROM LTS 5803.00 45483.0 5803.00 39863.4 38476.1 568.694 5619.60 7006.87 5234.31
Customer Address Plant Location Service of Unit Size 23.00 - 35.00 x 96.00 inch Surf/Unit (Gross/Eff) 2600.42 / 2517.79 ft2 Fluid Allocation Fluid Name Fluid Quantity, Total Vapor (In/Out) Liquid Steam
lb/hr
Water Noncondensables Temperature (In/Out) F Specific Gravity Viscosity cP Molecular Weight, Vapor Molecular Weight, Noncondensables Specific Heat Btu/lb-F
30.22 0.5356 0.0080 V/L 0.1326
0.4013
V/L
0.604
0.0080
2151.35 67.00 0.9666 0.0124 V/L 6.0754
2151.35 40.00 0.8959 0.0121 V/L 9.1819
0.4010
0.6124
0.6313
29.92
V/L
1.198
V/L
1.163
Thermal Conductivity Btu/hr-ft-F 0.0091 V/L 0.064 0.0091 0.0218 V/L 0.152 0.0209 V/L 0.135 Latent Heat Btu/lb 162.612 162.735 110.534 103.764 Inlet Pressure psig 52.000 815.000 Velocity ft/sec 0.12 1.91 Pressure Drop, Allow/Calc psi 2.000 0.455 10.000 8.260 Fouling Resistance (min) ft2-hr-F/Btu 0.00049 0.00100 Heat Exchanged Exchanged MM Btu/hr 0.8769 MTD (Corrected) 11.4 C Transfer Rate, Service 16.48 Btu/ft2-hr-F Clean 33.14 Btu/ft2-hr-F 31.37 31.37 Btu/ft2 Btu/ft2-hr -hr-F -F Actual CONSTRUCTION OF ONE SHELL Sketch (Bundle/Nozzle Orientation) Shell Side Tube Side Design/Test Pressure psig 300.000 / 1050.00 / Design Temperature F 150.00 150.00 No Passes per Shell 1 2 Corrosion Allowance inch Connections In inch 1 @ 1.0709 1 @ 1.1850 23
inch
Size & Out inch Rating Intermediate Tube No. 192U OD 0.7500 inch Tube Type Plain Shell ID 23.0000 inch Channel or Bonnet Tubesheet-Stationary Floating Head Cover
1 @ 1.0709 @ Thk(Avg) 0.0650 inch OD
8
1 @ 1.1850 @ Length 8.000 ft Pitch 0.9750 inch Layout 30 Material 31 316 STAINLESS STEEL (17 CR, 12 NI) inch Shell Cover Channel Cover Tubesheet-Floating Impingement Plate Rods
Baffles-Cross Type SUPPORT %Cut (Diam) Baffles-Long Seal Type Supports-Tube U-Bend Bypass Seal Arrangement Tube-Tubesheet Joint Expansion Joint Type Rho-V2-Inlet Nozzle 763.33 lb/ft-sec2 Bundle Entrance Gaskets-Shell Side Tube Side -Floating Head Code Requirements Weight/Shell 42 4209.92 Filled with Water 7119.51 Remarks: Supports/baffle space = 2.
ft
Spacing(c/c) 30.9040
Inlet in inch
Type
Bundle Exit
lb/ft-sec2
TEMA Class Bundle 18 1897.38
lb
Reprinted with Permission (v6 )
D:\olivia files\TENDER\TROPIK ENERGI PANDAN\GAS CHILLER REV1.htri
Output Summary
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Released to the following HTRI Member Company: A A
Xist E Ver. 6.00
PT TROPIK ENERGI PANDAN Units
5/23/2017 9:46 SN: Vals100+
Design - Horizontal Multipass Flow TEMA BKU Shell With No Baffles No Data Check Messages. See Runtime Message Report for Warning Messages. Process Conditions
Cold Shellside
Fluid name
Hot Tubeside HC GAS FROM LTS
HC GAS FROM LTS 5803.00 0.098 1.000 30.22 29.92 52.000 51.772 0.455 2.000 0.00049
Flow rate (lb/hr) Inlet/Outlet Y (Wt. frac vap.) Inlet/Outlet T (Deg F) Inlet P/Avg (psig) dP/Allow. (psi) Fouling (ft2-hr-F/Btu)
0.876 * 67.00 815.000 8.260
45483.0 0.846 * 40.00 810.870 10.000 0.00100
Exchanger Performance Shell h Tube h Hot regime Cold regime EMTD
(Btu/ft2-hr-F) (Btu/ft2-hr-F) (--) (--) (Deg C)
182.53 50.40 Gravity Flow 11.4
Actual U Required U Duty Area Overdesign
Shell Geometry TEMA type Shell ID Series Parallel Orientation
Baffle type Baffle cut Baffle orientation Central spacing Crosspasses
Tube Geometry Tube type Tube OD Length Pitch ratio Layout Tubecount Tube Pass
