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APIX Pilot Plant Design Project - Member - Amrut Patel

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Microwave Heating for Industrial Furnances

02/19/2009 7:00 AM

Hi,

Does anybody has the technology or technical know hows for the use of microwave heating technology in industrial furnace. I want to use both combine heating-microwave heating and electric heating in industrial furnace.

I'll appreciate if it is given in very detailed form.

Thank you in advance

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Guru
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#1

Re: Microwave heating technology in industrial furnace

02/19/2009 7:46 AM

industry? what kinds of industry? you will not use it if the object has matel, because the matel will shield the microwave.

if you hope to make a oven, at first you have to buy a magnetron ,then make a resonance cell to recept this microwave.

how much power?

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APIX Pilot Plant Design Project - Member - Amrut Patel

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#3
In reply to #1

Re: Microwave heating technology in industrial furnace

02/20/2009 12:08 AM

Thanks for answer. The material to be fired will be ceramic materials and the weight of each batch will be 50 kgs.

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#4
In reply to #3

Re: Microwave heating technology in industrial furnace

02/20/2009 4:39 AM

Hi,

microwave wavelength is near 10cm, to be divided by dielectric constant.

So this will be somewhere between 2 mm (unlikely, only if TiO2 is in the ceramic) and 5cm inside your material.

This will result in considerable non-uniformity of power-distribution.

Go up in frequency: too expensive unless you are able to modify a high power radar or military ECM-system.

Move your parts around so heating is averaged: few problems but at high temperature?

There are some people who use this for metal heating to braze or melt. (1200+°C)

Anybody who knows how to do this?

The simple concept of impedance matching is not working with microwaves.(?)

So what to do?

RHABE

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#2

Re: Microwave heating technology in industrial furnace

02/19/2009 8:25 AM

Check R F Kilns.

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