[Steam-engine] sandblasting (steam)

[Eric Applegate]

The device you fellas keep mentioning is called a steam lance.  very help to clean flues or nearly anything.  We put a Tee in front of the Blow down valve so we could pull water from the bottom of the boiler.  The super hot water is flashing to steam as it leaves the lance.  The lance is just bascily a lenght of pipe with a nossel at the end.  The nossel can be something as simple as a pipe cap with a hole drilled into it.  I have seen some that have the shut off valve on the lance.  I am not so sure this a good idea as when the hose blows things could get very exciting if you don't have a way to shut it down back at the boiler.

Eric
From: "Gustav Peterson" <kz1100 at sprintmail.com>
Reply-To: Steam-engine mailing list <steam-engine at lists.stationary-engine.com>
Date:  Tue, 11 Oct 2005 20:47:17 -0500

>
>If you want to use steam to clean something get a good amount of steam then bleed water into it. It should be very very wet steam basically spitting like hell from a hose. Worked for thirty years in a dairy and that was the way to get grease and anything else baked on blown off. If I remember correctly the boiler ran at about 150 pounds pressure, we'd open the water valve about half way then bleed in the steam. When the hose was jumping it was showtime!
>
>Gustav Peterson
>kz1100 at sprintmail.com
>Why Wait? Move to EarthLink.
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Thanks,
     Eric Applegate
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