So this begs the question, if its freezing out what are you able to do? Are you plowing frozen ground?
I was wondering that tonite, why do fiber runs shut down in winter, what's the difference between frozen ground and hard rocky soil? Really, I dont know this On Fri, Dec 4, 2020, 5:02 PM Chris Fabien <[email protected]> wrote: > I would add a diesel powered water heater like hot water pressure > washers use into the pressure circuit. This would help keep the vacuum > hose from freezing while excavating, and then set up a recirculate > system where they disconnect the wand and plug the end of the hose > into a fitting that returns it to the tank. Then leave the heater and > pump running on low and this will keep your water tank nice and warm. > Might take some thermostats to make it be stable. I'm not sure if > keeping the spoils warm in the tank would even matter that much, other > than making it a pain to get empty. > > On Fri, Dec 4, 2020 at 3:17 PM Chuck McCown via AF <[email protected]> > wrote: > > > > I bought a 12 volt dc air compressor with tank. Going to have them blow > out the spray hose when done spraying in the afternoon. So that when they > get back to the shop at least it will not be frozen stiff when they go to > winterize everything. > > > > From: Colin Stanners > > Sent: Friday, December 4, 2020 1:10 PM > > To: AnimalFarm Microwave Users Group > > Subject: Re: [AFMUG] OT vac ex in freezing temps > > > > Some excavator manufacturers have "arctic" upgrade packages. My > understanding is that as long as the vacuum truck is stored inside a warm > shop when not in use, the clean water tank will have enough thermal mass to > not freeze during most workdays. The vac design may be passing the engine > exhaust underneath the tank to warm it too. A heater on the outgoing water > helps protect the rest of the circulation system. Employees being careful > of freezing risk is important too, not letting things "sit". > > > > On Fri, Dec 4, 2020 at 1:19 PM Chuck McCown via AF <[email protected]> > wrote: > >> > >> Trying to figure out how to keep my vacuum excavators working in low > temps. Thinking of perhaps a heat exchanger dumping engine heat via the > water jacket or exhaust into the water tank. Thinking of an air purge that > would blow out the hose every time they are done using it. Perhaps some > kind of propane heater to warm up the water tank. > >> > >> Looked at heated hoses but most of those are for the spray foam > industry. Might work. > >> > >> Any other ideas? How do they do it in your part of the world Colin? > >> -- > >> AF mailing list > >> [email protected] > >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > ________________________________ > > -- > > AF mailing list > > [email protected] > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > > AF mailing list > > [email protected] > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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