[Gasification] BOILER PHOTO

[Benjamin Domingo Bof]

Mike & Mark, thank you very much again.
  My intention is to show an layout only.
  If needed technical adressing as engineer it implies responsability.
  But this group is friendly and have not interest to fraud nobody
  giving wrong info.
  Thank you again and good night.
  See you later.
  Ben

Michael Redler <redlerm at yahoo.com> escribió:
  Nope. It wasn't that. That's called a friendly suggestion. It's also 
referred to as a courtesy. Notice the friendly reply from Benjamin - a 
tell tale sign that a courtesy has been offered, accepted and appreciated.

Here's a hint Mark: Look for the words "Please don't encourage 
people..." (for example) and context, which usually in a patronizing 
way, tells a person or group of people (often people he/she hasn't met) 
not to do something because it might cause them injury. It's often 
followed by a passive aggressive suggestion that they'll probably get 
hurt if their advice is not taken seriously.

Here's an example:

"If you build this, you may want to notify your neighbors to back-off 
for a km or two for the maiden voyage! Plus, I'd like to say that it's 
been interesting knowing you."

I hope that helps.

Mike

Mark Ludlow wrote:
> Michael,
>
> Exactly what part of my post was "...paternal finger shaking"? It couldn't
> have been:
>
> "I suggest you take advantage of the last 128 years of 
> standards and diligently apply them to your work as soon as possible.
>
> http://www.asme.org/Codes/International_Boiler_Pressure.cfm
>
> It wouldn't hurt to find a certified welder either. In fact, I strongly 
> encourage it!"
>
> ...because were YOUR words!
>
> Mark
>
> -----Original Message-----
> From: gasification-bounces at listserv.repp.org
> [mailto:gasification-bounces at listserv.repp.org] On Behalf Of Michael Redler
> Sent: Sunday, May 18, 2008 1:38 PM
> To: Discussion of biomass pyrolysis and gasification
> Subject: Re: [Gasification] BOILER PHOTO
>
> Benjamin,
>
> Drama not withstanding, Mark is right. The photos gave me a similar 
> impression.
>
> The American Society of Mechanical Engineers is a well known, worldwide 
> organization which owes it's existence to a group of concerned engineers 
> who gathered to discuss the standardization of pressure vessel 
> construction. I suggest you take advantage of the last 128 years of 
> standards and diligently apply them to your work as soon as possible.
>
> http://www.asme.org/Codes/International_Boiler_Pressure.cfm
>
> It wouldn't hurt to find a certified welder either. In fact, I strongly 
> encourage it!
>
> Unlike Mark, there won't be any paternal finger shaking from me, telling 
> you what you should or shouldn't do. As long as you've done your 
> research and have a clear understanding of the relationship between risk 
> and safety, I encourage you to stay sharp and keep us informed of your 
> progress.
>
> Good luck!
>
> Mike
>
> Mark Ludlow wrote:
> 
>> Benjamin,
>>
>> Please don't encourage people to build high pressure boilers, particularly
>> with welds as shown in your photo. At 374C, steam is at the critical state
>> where vapor and liquid are indistinguishable. Higher temperatures, such as
>> the 450C you mention are supercritical states, not merely superheated.
>> 
> 374C
> 
>> is equivalent to 3206 psia (221 bar). Metallurgy, safety systems, water
>> chemistry, controls---all are critical and not the kind of stuff built in a
>> barn. 
>>
>> If you build this, you may want to notify your neighbors to back-off for a
>> km or two for the maiden voyage! Plus, I'd like to say that it's been
>> interesting knowing you.
>>
>> Mark
>>
>> [snip]
>> 
> 
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