A1A - EIL Tender portal
A1A - EIL Tender portal
A1A - EIL Tender portal
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Shell Global Solutions<br />
Data / requisition sheet for Design book No. : page:<br />
Steam Silencer Contr. job No. : F154<br />
M E S C No. :<br />
1. TYPE OF EQUIPMENT TO BE SILENCED: * Blower compressor vent relief valve control valve<br />
1. Equipment tag number : IV-LZ-211 (Note 4) * 6. Power KW for<br />
1<br />
* 2. Control valve characteristics Cv or Cg : * 7. Number of blades rotating<br />
3. Pressure upstream of control valve : kg/cm2g (max.) * 8. Speed r/min equipment<br />
* 4. Noise type : continuous intermittent<br />
5. If intermittent, state max. duration : (Note 1)<br />
2. ACOUSTIC CRITERIA *<br />
Octave band centre frequency Hz<br />
* 1. Unsilenced sound pressure level dB re 20 mPa<br />
* 2. Silenced sound pressure level dB re 20 mPa<br />
* 3. Unsilenced sound power level dB re 1 pW<br />
* 4. Silenced sound power level dB re 1 pW<br />
* 5. "Dynamic insertion loss" dB re 20 mPa<br />
6. Sound pressure level to be based on a distance of 1 m from equipment surface (give details)<br />
3. PROCESS DETAILS OF SILENCERS 6. SILENCER MECHANICAL DETAILS<br />
* 1. Gas/vapour (give details) : LP Steam 1. Type of silencer required<br />
2. Flow rate, norm./design : 15580 (Note 2) kg/h inlet discharge vent blow-down in-line<br />
3. Inlet pressure : 6.95 / 7.26 (Note 7) kg/cm2g (max/design) 2. Inlet flange size / rating: (Note 3) mm / ANSI*<br />
4. Outlet pressure : (Note 8) kg/cm2g (max/design) *3. Outlet flange size / rating: (Note 3) mm / ANSI*<br />
5. Differential pressure : By Vendor 1 kg/cm2g (max/design) 4. Design pressure : 10 / FV (Note 5) kg/cm2g<br />
6. Inlet temperature; max./min. : 207 / 239 (Note 7) °C *5. Installed in the : open under cover<br />
7. Mol. Weight of gas : 18 horizontal vertical<br />
4. SILENCER MATERIALS SPECIFICATION *6. Impervious membrane yes no<br />
1. Outer casing material : (Note 6) Certificate type: *7. Environment (e.g. climate) (Note 9)<br />
2. Absorptive material: *8. Rain cap yes no<br />
* 3. Impervious membrane material: *9. Drain yes, size : (Note 3) no<br />
4. Internal metallic parts: (Note 6) Certificate type: 10. Wind velocity (design) : (Note 9) mph<br />
5. Corrosion protection - internal : 11. External forces :<br />
- external *12 Supporting structure required : yes no MP 1)<br />
5. SILENCER SPECIFICATIONS 13. Replacement of acoustic material required : yes no<br />
1. Silencer(s) to be constructed in accordance with *14. External insulation required : yes no MP 1)<br />
dB(A)<br />
15. Max. allowable weight : kg<br />
2. Noise measurements, calculations, etc., to comply with 16. Space available for silencer : m<br />
<br />
85<br />
* 3. Pressure vessel code : ASME VIII Div. 1 17. Hydrostatic test pressure : kg/cm2g<br />
4. Details of identification marks : 18. Design Temperature : 270 / 15 1<br />
°C<br />
1<br />
7. GENERAL NOTES<br />
1<br />
1<br />
1<br />
1. Silencer is used intermittently for unit start-up and discharges to atmosphere.<br />
2. Flow rate shown is for 27% Conv SOR case. Design the silencer for 110% of flow.<br />
3. Inlet piping is 6"-150#. Final connecting nozzle sizes by silencer vendor.<br />
4. SiIencer is located on the LP Steam header between the Frac Feed Heater (IV-H-201) and Desuperheater (IV-SP-202).<br />
5. Deleted<br />
6. Minimum metallurgy of Shell will be KCS+3mmCA. However manufacturer may upgrade MOC of Shell diffuser as per their<br />
Standard for the intended service.<br />
7. Deleted<br />
8. Silencer discharging to atmosphere.<br />
1<br />
9. For information, refer to BEDB-Part B.<br />
10.For details refer P&ID A166-IV-1139.<br />
1<br />
1<br />
* Select as necessary<br />
1) MP=Manufacturer's proposal<br />
Made by:<br />
EP<br />
Date<br />
24-Oct-12<br />
EQUIPMENT: IV-LZ-211<br />
1<br />
Checked by: Date NAME: LP Steam Vent Silencer<br />
Rev. Letter<br />
Date<br />
0<br />
1-Nov-12<br />
BDRK<br />
Appr. by:<br />
USR<br />
26-Oct-12<br />
Date<br />
26-Oct-12<br />
Sign. EP<br />
PLANT: VGO Hydrotreater Unit<br />
CONSIGNEE: Shell Global Solutions International B.V. Sheet No. 2 cont.'d thru sheet No.<br />
Eng. by: KBR Technical Services, Inc. Equipment No. IV-LZ-211<br />
Principal: BPCL-Kochi Refinery Req. No.<br />
1<br />
20.09.13<br />
ISSUED FOR ENGINEERING 1 MJ MJ MA<br />
DATE DESCRIPTION REV BY CHK APPR<br />
Page 143 of 291<br />
DOCUMENT NO<br />
A166-IV-02-DS-1914