We have a heat treat indexing oven, gas direct fired combustion chamber design. If no solvent or any combustible materials inside oven enclosure, does it still need explosion relief design by NFPA code? Let me know. Thanks.
John
I bought a piece of rural treed land & hired a contractor to clear a 80’x120’ building lot for cottage & recreational purpose this June. In the contract I clearly specified that all trees & stubs to be removed. However, just 5 weeks after there is lots of small trees come out from the cleared...
I am working on a project & using following high temperature alloys to build furnace rolls and it looks like it is out of budget, does anybody know the material cost of these alloys? If so, please share. Thank you.
(1) HN (G-X35NiCrSi25-21 OR Pyrotherm G24/24 NbTz)
(2) HP Modified...
I have one question regarding the residential driveway: For a “L” shape driveway (with smooth turn), what’s the definition of this driveway length – measure from outside, inside or center line? Please advise. Thank you.
We have an infrared heat glass ink drying oven. The glass is carried by conveyor rollers. As the roller direct exposed to high temperature infrared heaters, its surface temperature can be as high as 800 F. The roller two shaft ends are hidden from infrared heater and their temperature is about...
Does anybody knows the approx. price range of following 300 series stainless steel? If we set the price index for 304L is 1.0, what about:
304H
321
309
310
Thanks.
Please can any one give me some help?
I am designing a fume thermal oxidizer system. The oxidizer operating temperature is 1400F and will run 22 hours/day, 300 days/year. This system supposes to work 10 years. The discharge of this oxidizer direct connects to a shell and tube Heat eXchanger...
