What are tubular heaters used for?

09 Sep.,2024

 

What can I use a tubular heater for?

What can I use a tubular heater for?

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A tubular heater is literally what the name suggests; a tube-shaped heater that provides low-level ambient heat. Its primary purpose is to give off enough background heat to keep frost away and take the chill from spaces in areas where it&#;s difficult to have traditional heating, or uneconomical to run it. That&#;s because tubular heaters are very cost-effective and use a similar amount of energy as a light bulb.

What are the main uses for tubular heaters?

The main objectives for using tubular heaters are as follows:

Protection from frost

This is one of the most common uses for tubular heaters and it&#;s usually for outbuildings such as greenhouses. These buildings may have contents that you need to protect from very cold temperatures, such as plants. Using this kind of heater prevents the temperature from dropping below zero which could kill delicate plants in the winter.

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Protection from damp and mildew

Areas that are unheated can be vulnerable to damp, mould, and mildew in the winter so low-level background heat can regulate the temperature, preventing it from dropping to the dew point. This is useful for sheds and garages (for example, if you use them to store camping gear or a classic car) or cellars (when damp can take hold and then start to affect the rest of the house).

Background heat

Tubular heaters can provide enough heat to take the chill from the air, so they are useful in areas where it&#;s not viable to have central heating or where central heating has a limited effect. This includes long, bare walls which can often get cold, or the areas under large windows. They can complement traditional heating and can be used in spaces where you just need background heat rather than toasty warmth.

This could include areas like an airing cupboard after a tank has been removed or is no longer in use, an outdoor dog kennel or chicken shed, an outdoor workshop, or a conservatory.

Knowing which one(s) to buy

Choosing the right tubular heater will depend on a number of factors, including how big the space is, the type of environment, how well insulated the area is, and what your objective is (ie which of the reasons above). They come in different lengths and the length determines their heating output. In general terms, 1 metre is equivalent to around 120-150 watts of heat (or 40-50 watts per foot). Obviously, the longer the unit, the more heat it generates. You can also use multiple tubular heaters in one room to increase the heat (it&#;s common to mount up to 4 of them horizontally up a wall on brackets). They either come with a plug to plug into the mains or can be hard-wired/fuse spurred into the supply (this must be done by a qualified electrician).

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If you intend to use them in a space occupied by animals, such as a dog kennel, rabbit hutch, or chicken shed you should always use them with a guard to protect them from touching the heater and prevent accidental damage.

How long should you run them?

This is down to personal choice. It will obviously be determined by how cold it is and what you need them for, but they are economical enough to run continuously in very cold weather if needed. If you don&#;t want to do that, look for models that have a thermostat as you can set these to come on when the temperature of the space reaches a fixed level.

Applications of Tubular Heating Elements | Industrial Heating

Tubular heating elements are commonly used in industrial heating due to their versatility and affordability. They are used for heating liquids, solids and gases through conduction, convection, and radiation heating. Capable of reaching high temperatures, tubular heaters are an efficient choice for heavy duty industrial applications.

What Are Tubular Heating Elements

Tubular heating elements are elements used for electric heaters. They are highly customizable, energy efficient and can be used for most heating applications. They can be made to just about any shape &#; most commonly round, triangular or flattened.

How Do Tubular Heating Elements Work

Tubular heating elements transfer heat through direct exposure to a liquid, solid, or gas. They are configured to a specific watt density, size, shapes, and sheath based on their specific application. They can reach temperatures of 750 degrees centigrade or higher when configured properly.

Tubular Heating Element Applications

Tubular heating elements are applied for three main types of industrial heating, conduction, convection, and radiation heating.

Industrial Conduction Heating

Transfer of heat using tubulars is very important when designing a heating system. Heat transfer from the outer sheath of the tubular element must travel to the areas of interest in its application. The alloy of the sheath is important. This is because different alloys take on different properties for heat transfer. For example, steel is an excellent heat transfer material compared to stainless.

Industrial Convection Heating

With convection heating, the tubular element heats the air around. Then, natural convection currents transfer the heat to the intended medium. Tubular elements are able to dissipate heat extremely fast. This allows for the convection to heat the target product quickly. Convection allows for quicker heat penetration. Convection heaters don&#;t use fans or motors. As such, they are quiet and are low maintenance. They can be used by themselves to heat a small space or in series for a larger space. Convection heaters allow for the heating of specific or isolated areas, which makes them an energy efficient choice.

Industrial Radiation Heating

Industrial radiation heating generates heat and radiates it over a certain area. The distance and angle of the supporting bracket inform the design. Placing reflectors at specific angles efficiently directs the heat where it is needed. In industrial radiation heating, tubular elements are often preferred over quartz elements.  This is due to their rigidity, and durability. Wattco uses Calrod tubular heaters for producing radiant heat in an application due to their versatility and quick heat up times. Radiation heating is commonly used in the medical, automotive, mining/oil/gas, construction, manufacturing, and thermoforming industries.

What Mediums Can Tubular Heating Elements Be Used For?

Tubular heating elements can be used for heating a variety of mediums including liquids, gases, and solids. Tubular heating elements in conduction heaters use direct contact for heating solids. In convection heating, elements transfer heat between a surface and a gas or liquid. In radiation heating, thermal energy is transferred by electromagnetic waves.

Types of Tubular Heating Elements

There are a number of types of tubular heating elements. All of them can be customized to meet almost any requirement. Singular tubular elements use a mineral insulated alloy sheath. This prevents splashing and vibration to allow for a longer service life. A double tubular element is two series wired heating elements in reflection. Hairpin tubular elements can come with moisture resistant terminal housing if used in a moist environment. Quartz tubing, double quartz tube, and quartz lamp elements are used for horizontal mounting of tube fixtures. Finned tubular heaters are used for ultimate efficiency and for humid or corrosive operating elements.

Advantages of Tubular Heaters

Precision

Precision is one of the main advantages of tubular heating elements. They allow for advanced temperature controls, better temperature maintenance, and precise heat transfer. Watt densities up to 120 WPSI are available and temperatures up to 750°C (1,382°F) can be reached. They have the flexibility to meet just about any application. The cold sections are also custom made to protect the terminals.   Extreme precision allows tubular heating elements to perform better and last longer. As a result, they are economical and efficient.

Compact Size

The compact size of tubular heating elements holds many advantages. Their smaller, and custom sizes make for easy installation. Their size also makes them easy to clean, maintain or replace. The ability to easily remove and replace these elements means that the production period does not have to be paused for long.

Custom

Tubular heating elements are available in different shapes and sizes, designed for optimal durability. The elements are factory-configured to the optimal size and shape for the specific application. Custom bending of diameters and radiuses allow for better performance by meeting the form, fit and functions of applications.

Get Tubular Heating Elements Today

Tubular heating elements are among the most popular industrial heating products. They are efficient, durable, and cost-effective. Contact us today to request a proposal or more information. Our team will help you customize the best tubular heating elements for your application.

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