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Re: Cost of generating steam

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Posted by Thang Bui Huu on October 09, 2002 at 09:22:31:

In Reply to: Cost of generating steam posted by Mike Pilling on October 25, 2001 at 08:43:37:

: Here is a ROUGH rule of thumb for a "ballpark" estimate on cost of steam, which assumes the following:
: * natural gas as fuel
: * saturated steam
: * watertube boilers
: * no economizer or air heater

: Take cost of gas per mmBTU
: Multiply by 1.3
: Multiply by boiler efficiency
: = cost/1000 lb.

: EXAMPLE: Gas $6.00 mmBTU X 1.3 = $7.80
: $7.80 X 0.85 efficiency = $9.18 per 1000 lb.

: As I said, this is a very rough method and does not include labour, maintenance etc etc, but it comes pretty close in the majority of industrial non-superheated steam plants

: Mike Pilling
: Chief Engineer
: Molson Brewery, Vancouver, BC

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Re: Cost of generating steam Tim Berna 19:24:38 11/25/2004 (0)
Re: Cost of generating steam Alkhamis 04:58:19 9/18/2004 (0)

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Comments:
: : Here is a ROUGH rule of thumb for a "ballpark" estimate on cost of steam, which assumes the following: : : * natural gas as fuel : : * saturated steam : : * watertube boilers : : * no economizer or air heater : : Take cost of gas per mmBTU : : Multiply by 1.3 : : Multiply by boiler efficiency : : = cost/1000 lb. : : EXAMPLE: Gas $6.00 mmBTU X 1.3 = $7.80 : : $7.80 X 0.85 efficiency = $9.18 per 1000 lb. : : As I said, this is a very rough method and does not include labour, maintenance etc etc, but it comes pretty close in the majority of industrial non-superheated steam plants : : Mike Pilling : : Chief Engineer : : Molson Brewery, Vancouver, BC

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