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Re: mercury batcher
Posted By: Don Miner In Response To: Re: mercury batcher (SVP Neon Equipment)
Date: Friday, 21 May 2010, at 5:07 p.m.
> Most were not mounted as you describe. Being
> mounted the way you mentioned means only one
> unit at a time could be processed unless
> there were two of them side-by-side with
> excessive lengths of tubulation, which
> dramatically slows down pumping speed.> The ones I have seen and worked with were
> far from trouble free. How did you keep the
> steel plunger, which was made from common
> tooling steel, from contaminating the
> reservoir of mercury? The picture in
> Miller's book refers to it as an "iron
> plunger", which would also contaminate
> the mercury. That was one of the predominant
> problems with them. Another was, once the
> plunger became "crusty" (for lack
> of a better word) from the contamination, it
> had a tendency to stick in the
> "up" or "open" position,
> which would allow mercury to literally pour
> into the tubulation. Sometimes the plunger
> solenoid would not disengage, which also
> allowed the mercury to pour into the
> tubulation.
The injector has to be vertically plumb. I worked with the system for about a year and a half, and experienced no problems. The neon shop was about two years old, iirc, when I started there. Sorry, I do not have more info to pass on. I sometimes wish I had kept a journal of my experiences over the years. I never guessed when I started in this business 50 years ago, where and how far I would travel and the great people I have met along the way. But that is another thread for the future. Peace to all, Don
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