Finned Air Heater For Industry

Description 

In the following, we will explore the key ways in which finned air heaters can help reduce industry energy consumption.

1. Improve heat transfer efficiency:
The finned heater is designed with extended surfaces or fins, which significantly increases the surface area available for heat transfer. This innovative design enables more efficient transfer of heat to the surrounding medium, ensuring that the majority of the generated energy is utilized for the intended application. 

2. Precise temperature control:
Fin heaters are usually equipped with advanced temperature control mechanisms which enable various industries to maintain precise temperature levels, prevent unnecessary overheating, and ensure that the heating system operates at the most energy-efficient level. 

3. Rapid heating response:
Regarding the design of the air finned heaters, especially open coils and tube heaters, it can enables rapid heating response times.  In the Industries ,this can quickly reach the required temperature, minimizing the duration of energy consumption.

According to the manufacturing method:
There are integral fins, welded fins and mechanically connected fins.

The integral fin is made of casting, machining or rolling, and the fin is integrated with the pipe.
No contact thermal resistance, high strength, but the fin and pipe are required to be the same material.

The welded fins are manufactured using processes such as brazing or argon arc welding and can be made of different materials . Because of its simple manufacture, economy and good heat transfer and mechanical properties. Therefore, it has been widely used in industry. Its main problem is the quality of welding process.

Finned air heater for industry is easy to install and maintain.It is made by robust tubular element as the basis of construction. Fin spacing and size have been tested and selected to optimize performance.

Wrapped the metal heat sink to expand the heat dissipation area and accelerate the heat dissipation.

Incoloy Straight Finned air heater generally used in air dry burning working environment, customers need to inform the specific size of the working environment, whether there is temperature control equipment, if so, what is the temperature control? Also need to inform whether there is a fan circulation device? And the size of the installation space!

Staggered installation is generally adopted for the finned heater, so that the air contact surface of the flow is larger, fully heated, and heat away.

If the finned air heater for industry is in  Long-term idle, if the insulation resistance is less than 1 megohm, it can be dried in the oven at about 200℃, or reduce the voltage directly connected to the electric heating, until the insulation resistance returns to normal.

How to set the wiring for the finned heater?

If the rated voltage is 220V,to connect the 380V power circuit,star connection should be considered.

If the rated voltage is 380V,to connect the 380V power circuit,triangle connection should be considered.

Notice

1. Heat preservation: finned tube heating elements are often used in hot air circulation and heat preservation system. There should be heat preservation and insulation layer around to reduce heat loss.

2. Wind speed: the general wind speed of the fin electric heating tube is 8-12 m/s, which is suitable. If the wind speed is too high, the loss of the pressure head will be increased, and if the wind speed is too low, the heat dissipation efficiency will be reduced.

3. Installation: staggered installation is generally used to make the air contact surface larger, fully heated, take away the heat.

Data Sheet

Data 

More sheath material

Incoloy 840

Nickel 18-20%, Chromium 18-22%, Iron balance.

Has about 10% less nickel than Incoloy 800. Used in many air heating applications, where it has exhibited superior oxidation resistance at less cost than Incoloy 800.

Incoloy 800

Nickel 30-35%, Chromium 19-23%, Iron balance.

The high nickel content of this alloy contributes to its resistance to scaling and corrosion. Used in air heating and immersion
heating of potable water and other liquids.

316/316L Stainless Steel

Chromium 16-18%, Nickel 11-14%, Iron balance.
(316L - Low Carbon)

Modified with the addition of Molybdenum (2-3%) to improve corrosion resistance in certain environments, especially those which would tend to cause pitting due to the presence of chlorides. Applications include deionized water.

Maximum Sheath Temperature: 1200°F / 649°C

304/304L Stainless Steel

Chromium 18-20%, Nickel 8-11%, Iron balance.
(304L - Low Carbon)

Used in the food industry, medical, and chemical heating.

Maximum Sheath Temperature: 1200°F (649°C)

Advantage

1. Compared with the ordinary light tube, the heat dissipation area of the finned tubular electric heating tube is increased by 2.5 ~ 4 times, and the surface load is increased by 2 ~ 3 times than the light tube.

2. Because the length of the heat sink electric heater is shortened, the heat loss itself is reduced.Under the same power condition as the light tube, it has the advantages of fast temperature rise, high thermal efficiency and long service life.

3. In the limited heating device, it can accommodate 2 ~ 3 times of the total power of the ultra light tube capacity, which greatly reduces the volume of the heating device and saves the cost of the user;

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