In search of material for vibro-trough

I take it you're not willing to change geometry (like reinforce the plates with ribs)?

Have you considered aluminum as MOC? It has better heat-conduction than steel, this should lead to a more even temperature of the whole through and thus minimize thermo-shock.

Reducing the fall-height of 1m might also reduce mechanical wear and tear to the trough.

Ribbed TIGwelded ---SS304 ---may be double skin--with 1"refractory powder in between is your best bet.

Hoping for 2-year life before preventive maintenance - not worth it.

Every month "Stitch in time--saves nine"

Aluminium totally out-melts at 660°_^C

_{^{Aluminized Mild Steel plates --}} you can get easily-- maybe a lasting cost-saver!

Many years back I worked in the Raw Materials Engineering division of a major steel manufacturer. I seem to remember that we used refractory lined chutes for this type of situation; of course, liner wear is an issue and patching or re-bricking would be necessary on a routine basis.

Dear Sir,

distortion, cracking and bucling is all caused by rapid heating and quenching.

So there are some possible solutions to your problem:

make the temperature gradients (both with time and with direction) small,

or, prevent the temperature from reaching the metallic part of the truogh,

that is: get some liner either ceramic or metallic that can do this isolation without being overstressed.

As I am consulting on difficult problems like yours and as I have vast experience how temperature gradients induce errors and failures, I am convinced I can show you how to solve the problem.

So if you want to have a long term lasting construction don't hesitate to contact me and send some data about the shape adimensions of your troughs.

regards

RHABE