Thursday, January 30, 2014

How High Temperature Furnaces' Are Made? - The Production Process

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Source: Thomas's Pics, cc-by-3.0, flickr
A furnace is generally an object made with the sole purpose of producing heat at high temperatures for various uses. It may for instance be used for warming houses and workplaces in times when the temperatures are usually extremely low. It is also used for commercial purposes like melting metals to convert them into more useful models and shapes. A lot of work is however put into the production of a furnace. Here is a comprehensive furnace resource about the whole furnace production process.

The Production process

A furnace is used to produce and hold the heat of extremely high temperatures. One may thus wonder what the furnace is made of if the temperature of heat it holds is adequate to melt a lot of hard metal and other materials. It is mostly made from materials like fiberglass, aluminized steel, stainless steel and aluminum among others. After a furnace is made to the very last detail, it is put through a series of tests to establish its strength. This is necessary since being the heat it produces and holds to leak out, it would be uncontrollable and very destructive, deadly even.

How does a furnace do what it does?

One would wonder just how such high temperature end up being produced in the first place and being held in the furnace. All are however, addressed in the comprehensive furnace resource, here is a look. A furnace is made of several compartments. It is, for instance, made of the heat exchanger, another secondary type of heat exchanger based on the furnace’s rating, burner, a gas control valve, an air-circulation blower, a pilot light, an external thermostat and a flue draft blower.

The process of heating depends on all of these compartments. When the thermostat signals for the hat, the burner’s light as well as to deliver the heat into the main heat exchanger. A hot air is then delivered to a secondary heat-exchanger and then into the exhaust flue which is meant to accelerate the burners as well as to increase the level of heat produced, and the intended destination in the long run.

The material utilised in the process of furnace production does quite a great work in preventing fire leakage. Some heat will however escape during the process when the furnace is at work. Depending on its quality, an ordinary and modern furnace will let out about 10 to 20% of heat into the air.

An average furnace come with three different heat exchangers and each of them produces about 25,000 BTU, making the total BTU 75,000 at the end of it all. That is sufficient to perform most of the common tasks like melting metal. The work of the heat exchangers is to transfer the heated air from a furnace to its intended location and also to eliminate any dangerous exhaust fumes in the process.

While the production of furnaces has gone on for quite some time, they still have faults, which bring some discomfort to some degree during operation. Manufacturers however, have their eyes set on first enhancing the furnaces’ capabilities and minimizing its faults.

Industrial Heating Equipment Association (IHEA) has come up with some rules and regulations in order to minimize the faults in the furnaces'. Dowa Hightemp Vietnam is one of the companies which follow the rules and regulations of IHEA.

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