RFQ for Steam Boiler with BFW System in Pakistan

 RFQ for Steam Boiler with BFW System in Pakistan

RFQ for Steam Boiler with BFW System Date 19‐12‐18
Line Rev Note Item Units Data Remarks
1 General Data
2     operation in country of   Pakistan  
3     location indoor or outdoor   outdoor  
4     design code   ASME section I latest edition/Equivalent local code  
5     inspection authority   vendor / third party  
6     ambient temperature min/max °C 2 / 48  
7     ambient air pressure bara 101.325  
8     wind load: Maximum/normal m/s 40 /10  
9     seimic load   zone A2  
10     area classification   non hazardous  
11     max permissible sound pressure level dB(A) 85  
12     relative humidity % 10 to 90%  
13 Design Data
14     Operating Conditions:   Maximum Design  
15     * steam flow MCR tph 25  
16     *steam pressure main steam stop valve bara 8  
17     *steam temperature °C saturation temperature  
18     *deaerator temperature °C vendor  
19     *condensate return flow tph 50%  
20     *condensate return temperature °C 80  
21     *condensate return pressure barg 1  
22     *soften water flow tph vendor  
23     *soften water temperature °C 20  
24     *soften water pressure barg 5 pressure at ground level
25     Fuel Data   Corn Stover Corn Cobs Rice Husk Bagasse  
26     * C wt% 35.98 45.81 38 47  
27     * H wt% 4.81 5.69 6 6.5  
28     * O (by Diff) wt% 35.21 44.78 37 44  
29     * N wt% 0.38 1.07 0.8 0  
30     * Cl wt% 0.49 0.2 0.1 0.01  
31     * S wt% 0.26 0.34 0.1 0.03  
32     * Ash wt% 23.36 2.31 18 2.5  
33     * total wt% 100 100 100 100  
34     *LHV KJ/kg 13,994 18,027 14,816 18,038  
35     *HHV KJ/kg 15,125 19,339 16,126 19,457  
36     * density kg/m3 130 174 122 150  
37 Available Utilities
38     Available Electrical Auxiliary Power      
39     *cycles Hz 50  
40     *for motors AC V 415 +/‐10%  
41     *for panels DC V 110  
42     *for panels AC V 220  
43     *for UPS AC V 220  
44     Available instrument air   dry & oil free at 7 barg (dewpoint ‐40 C)  
45     available service air   vendor to specify its requirement  
46 Overdesign Requirements
47     Overdesign on maxium operating case   FD Fan ID Fan Overfiring Fan Pumps Burner Deaerator
48     *capacity % 15 25 10 10 N/A 20 min
49     *head % 20 30 15 21    
50     Note: based on ambient temperature of 25 C              

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