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Participant

Join Date: May 2011
Posts: 2

Electrical Heater for Closed Drain Vessel Offshore Platform

04/12/2012 12:03 AM

Hi everybody, who can give me some information about this device,such as calculation sheet, drawings, P&ID .etc...

Thank you

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Guru

Join Date: Oct 2008
Posts: 42296
Good Answers: 1663
#1

Re: Electrical Heater for Closed Drain Vessel offshore platform

04/12/2012 12:21 AM

A supplier of Electrical Heater for Closed Drain Vessel should be able to give you some information.

Have you searched the internet, yet?

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Participant

Join Date: May 2011
Posts: 2
#3
In reply to #1

Re: Electrical Heater for Closed Drain Vessel offshore platform

05/30/2012 12:25 AM

Thank you, I've already sent to Supplier all Datasheets :)

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Power-User

Join Date: Nov 2011
Posts: 286
Good Answers: 15
#2

Re: Electrical Heater for Closed Drain Vessel Offshore Platform

04/13/2012 9:34 AM

You will need to supply much more information.

Haz area / ATEX. Is this drain subject to inflammable gases.

Are we looking at process heat or frost protection.

If its simply a drain line could you use heat from the outside - electric or steam trace. Raychem, Thermon or many other big players supply a wrap round tape.

If you are using the self regulating trace tape watch out for the inrush current when you first switch the circuit on.

Get your process engineer to give you this information.

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Participant

Join Date: Aug 2012
Posts: 1
#4

Re: Electrical Heater for Closed Drain Vessel Offshore Platform

08/28/2012 1:48 AM

STEAM Or ELECTRIC HEATERS are very popular because of their high heating efficiency & no moving parts. Some of their benefits are:-

99% to 100% Efficiency.
20% to 25%% more efficient than other heat exchangers.
Low capital cost
Dramatically reduced noise than others.
Dramatically reduced water hammer than others.
Dramatically reduced vibration than others.
Dramatically reduces scaling than others.


you can follow these simple instructions and do it yourself.

* Shut down the heater's heating element. If it's an electric heater, turn off the circuit switch board. If it is a gas heater, turn on the thermostat to

the "pilot" setting.
* Turn off the water supply normally. The shut off valve is probably based on a copper pipe that runs into the top of the tank.
* place the drain valve at the bottom of the water tank. Attach one end of a garden hose to the threshold valve. Put the other end of the hose or pipe

into a drain or toilet, or outside the machine. This is the place where you want to drain out the water.
* Open the drain valve, where you attached the one end of hose.You can Notice the color of the water. At first it will be in a dark, rusty color, as it's

mixed with the sediment. After a few turns have drained the water will turn clear.
* Shut down the drain valve when you see clear water is coming out.
* Turn on the water supply again and wait for the tank to fill up again.
* Turn on the power supply again after the tank has filled with water.

These were the simple steps how to drain the heating element.

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