I have a 600 litre diesel tank that is stuck for 3-4 months of the year in a premafrost. This has obvious effects to the diesel as it gets to the point of gelling in the tank/lines. I intend to fit a tank heater and wondered if there is some way of working out how much energy will be required to stop this effect-I have several 3 phase heaters from a tank that previously held bunker fuel. These are very power full and I only have singe phase avalible. From basic tests I have done I have rewired the elements so they run in series thus ruducing there heat output - this will at least give me 3 heat ranges to choose from etc(these elements are about 5-6KW each phase) From what I can gather I shouldn't need a large amount of heat, just enough to keep it above about 4 degress and keep the fluid in the tank. What I would like to try and get right would be how many KW would be about right for this size tank with the ambiant temp around -18 degress celcius? This of course will be controlled by thermostates and a top limit control- how does one calculate this?
- posted
16 years ago