Drum Heating: Constant Control

2007-05-02 10:04:19

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HEATING VISCOUS MATERIALS

Drum heating refers to the method of heating of containers containing thick, sticky material. Examples of materials ideal for drum heating are grease, oil and other similar materials. Drum heating is usually placed around the containers such as drums and pails without having to open them or take out the material from their container.

The application of heat on these viscous materials makes them more fluid and easier to transfer to smaller, retail packages. Drum heating is also used to melt semi-solids like lard. Another application of drum heating is for temporary heating in winter to prevent these materials from freezing which can permanently destroy their composition and render them useless.

There are many types of drum heating. Some are wraparound, where the drum heating encircles the circumference of the drum to apply even heating. This is a very convenient design because the drum heating can adjust to any sized container and can heat them with equal efficiency. This is ideal when you are heating one container at a time.

EVEN HEAT APPLICATION

However, for industrial use where a number of containers must be heated at the same time, drum heating also comes in oven type designs. In this type, the drums or containers are placed inside the heater as you would like a normal oven.

Drum heating involves a high level of monitoring and temperature control. The purpose of drum heating is just prevent freezing or make it more flowing, while retaining the original composition of the material. Excessive heat may cause a chemical reaction that changes the material. That is why it is very important that the heat is kept constant and removed as soon as the desired state is achieved.

That is the main difference of drum heaters over standard heaters; the temperature can be kept low and tightly constant.


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