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About Heating Elements
Heating elements and electric heating elements are
metallic components that conduct heat in many products, usually electrically,
and are available in various configurations. These heating elements are
able to heat areas or items directly or indirectly. Sometimes a heater
consists of nothing more than the heating element itself. In this case,
the heating element is not a component of a larger heater or system,
but serves as a product all on its own. Heating elements and electric
heating elements are manufactured in many different sizes and shapes
to fit particular applications, and have heating configurations unique
to the particular need as well.
A standard hard wired electric
heater can have a central heating element
and then utilize fans to force the hot air throughout a larger system
of ductwork. A cartridge or ceramic heater has heating elements that
come into direct or near direct contact with the area or substance needing
heat. An example of such a heater would be a heater used to keep prepared
hot food products warm for consumption. The electric heating element
directly warms the substance rather than indirectly via fans or ductwork.
An immersion heater is essentially a heating element that can be immersed
in a liquid or a similar substance, which it heats directly.
Heating elements usually have a shorter lifespan than the item in which
they are installed, and therefore may need to be replaced. Replacement
heating elements can be stock or custom made to fit the application.
Temperature, environment, size, duration and material should be considered
when looking for a heating element. The heating elements used in industrial
electric heaters are common in availability as opposed to those elements
found in hair dryers or toasters, in which it is better to replace the
whole unit rather than replace the heating element. The providers and
manufacturers of industrial heaters create the specific heating elements
needed for replacement. Since so many products use heating elements as
an essential part, there is seldom an alternative to using a heating
element to conduct heat in an item.
Common places in industrial and manufacturing applications where heating
elements are found include, but are not limited to, heaters, ovens, dryers and furnaces. Heating elements can be used in products that melt, cook,
dry, warm, seal and reform substances. Many commercial and consumer products
also contain heating elements, such as hairdryers, space heaters, toasters
and irons. Each application can require a different type of heating element.
Heating elements are made from many different heat conducting materials
but most commonly are made from metals. They are capable of generating
heat in upwards of 1300 degrees Fahrenheit.
Featured
Articles
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Types of Heating Elements
- elements are made of wire that is
wound on a fiberglass core and insulated by PVC or silicone rubber.
- elements are used in low and high temperature
ovens and furnaces. They can be found in rectangular, square, flat,
cylindrical, or partial cylinder shapes.
- elements are common in many products and provide heat
to a general area. The heating elements are shaped into coils based
on their intended purpose; they can be free radiating or enclosed.
- are metallic components that conduct heat in many products, including clothes dryers and hair dryers.
- elements are heating elements used inside devices
that use electricity to power themselves and create heat.
- are configured to have a large surface area without taking up much space.
- elements are used in infrared heaters,
which are used for many applications. The element heats a surface which
distributes
the heat.
- are often encapsulated in steel sheaths and have ribbon
or wire wound on mica sheet or tube and insulated by mica.
- heating elements are typically used in convection furnaces
and ovens with open coil heaters. Plug/Rack types are often an assembly
of heating elements together in a rack or plug.
- heating elements are used in high temperature procedures
and where higher watts are required. They are usually long tube-like
elements.
- elements are very common and sometimes have a casing
or protective component and can be formed according to the application.
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