A way to heat up large quantities of water?

Question

Is there such a thing as a waterproof heating element or similar that you can put in the water to heat it? I want to be able to heat big quantities of water, so don't suggest a kettle or anything because that's not enough.

Answer 1

When I was baptised (by immersion), a portable baptistry was used. It was heated essentially by a kettle element which had been rigged up in a converted biscuit tin. My Dad was concerned about the safety aspect of the thing touching the sides whilst the water was being heated, so made a wooden frame in which the biscuit tin slotted. The device worked, but very slowly. It took hours - even overnight- to heat up the pool, which was about 6ftx6ftx3ft. Before any one was baptised, the device was unplugged and removed, of course, but on stepping down int the water, I soon discovered that the top 6inches or so was warm, the rest of the water was still freezing cold!

Answer 2

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Answer 3

Normally heat can be transferred using the following methods:- Convection radiation conduction IN this case, if you are allowed to mix the water from the two tanks, just connect them with a pipe or something, radiation may not work here because radiation works efficiently only at higher temperatures (when you can see the glow, like hot lava or molten steel, or a glowing bulb etc) Conduction, here you could use a coiled pipe to pass the hot water from the larger tank without leaving the pipe, and flow back to the larger tank. Heat will dissipate (conduction) through the walls of the pipe of the hotter water to the cooler water. Make sure the pipe is of a conductive material preferably copper, aluminum, or otherwise any metal.

Answer 4

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Answer 5

Solar

Answer 6

You have asked numerous questions about this same thing. what exactly are you trying to do. Why are you trying to re invent the wheel? Just purchase an instant demand water heater and plumb it up to your tub. Or if you are looking for a temporary system, they sell immersion heaters to keep animal water tanks from freezing in winter.

Answer 7

To heat a large quantity of water you will need a large electrical supply , you need to state what volume of water , and how fast you want to heat it up , for domestic use you will be limited by your electric supply.

Answer 8

you don't clarify what you consider a large quantity of water is.there are many applications for boilers in industrial needs.schools,and apartment buildings and the like use these systems.you have water tube boilers,fire tube boilers,and vessel style boilers that are in use every where on a daily basis.so large is a relative term in this case.how large is the determining factor to an end of your need.they make small boilers(Fulton)is a common brand,as is (Parker).where one specializes in vessel heating,and the other is mainly of the tubular style.not knowing your need,makes a definitive answer difficult.old style home heating used the radiators,that had heated water circulated from the boiler in the basement on a continual loop,from the heat source,through the units plumbed throughout the home.they are still available,and heat relatively large amounts of water.your local plumber can find one to fit your needs

Answer 9

you want an immersion heater,

Answer 10

There are 'hot sticks' on the market for heating up quantities like 50 litres...basically an element in stick form. Sometimes known as 'pokers'

http://www.fidgeon.co.uk/product.php?id=...

For larger amounts...like a pool or similar..the best way to heat it would be using a pump system to draw out the water...heat and return.....