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user-deleted-1100
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Modification of Tank Farm

05/16/2011 12:58 AM

One steel tank was fabricated and erected in eighties to receive and store imported edible oil and store and export molasses. The owner of the tank farm wants to use it for furnace oil now. Edible oil tank is equipped with steam heaters. Import/export pipeline is not insulated. What else to be changed in the existing tank/tank piping so as to be used as Furnace Oil Storage Tank. Would the present heating tube fixed to the tank, which was sufficient to heat edible oil be also good for Furnace Oil. Molasses tank is without heater.
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PWSlack
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#1

Re: Modification of Tank Farm

05/16/2011 5:05 AM

Start by getting the specification for the furnace oil, particularly the temperature to which it needs to be heated to perform properly. This will determine the modifications, if any, that need to take place to the tank heating equipment and utility.

Check materials compatibility between the tank, any immersed elastomers and the furnace oil.

Check the tank inventory instrumentation will work correctly with a change in contents; capacitance-based level instruments are particularly difficult in this context.

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PWSlack
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#2

Re: Modification of Tank Farm

05/16/2011 5:36 AM

Check also that the tank and its supporting structure is adequate to support the tank when it is filled with a liquid of a different density to that which it has been storing.

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kramarat
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#3

Re: Modification of Tank Farm

05/16/2011 6:46 AM

In addition to the above suggestions, you may want to look up the specifications for a modern furnace oil storage tank and make the modifications based on that.

The modifications on the edible oil tank, (if any), should be fairly straight forward. The molasses tank, I would think, is going to be more of a challenge. Particularly removing all traces of molasses.

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Tornado
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#4
In reply to #3

Re: Modification of Tank Farm

05/17/2011 3:13 AM

If the molasses tank has a manway and can be ventilated enough, send a few guys in there to lick it off. Yummy!--especially if fermented.

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jhhassociates
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#5

Re: Modification of Tank Farm

05/17/2011 4:43 AM

Are there other food storage tanks located in the same bunded area. Mixing food and non-food storage tanks is prohibited in most countries.
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