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Cheap heat booster

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Cheap heat booster

Post by milspec6 on Thu Jan 26, 2017 5:37 pm

After 10 years running this cleaning business, I learned something new. I have been running a Butler unit this whole time and the heat maxes out between 195 degrees at the machine. This has been plenty of heat except when cleaning on a cold winter night when the temps can drop in the lines another 10 degrees before it reaches the building.

Well, I have always toyed with adding a heat booster of some kind for the winter time. I looked at adding an LG heater, but there was no space for it when I was heavily loaded. I tried some inline heaters, but they didn't work at all. I was going to try a heat exchanger off the van's exhaust pipe, but never got around to trying it.

Well, last night I realized that there is already the potential for an added heat exchanger built into the system....any TM system. All heat exchangers transfer heat from a heat source to the water which is coiled around it in steel or copper tubing. Well, what do you have with your hose reel? The solution lines on a live reel wrap around each other and carry heated water. The more coils of hoses there are, the more heat that gets trapped in the core hoses which elevates the temperature of the water exiting to your tools.

I left 200 feet of solution hose wrapped on my live reel and just attached loose sections out to the tools. The results were surprisingly good. The outside temperature was 15 degrees and the hose was resting on snow-covered concrete which robbed the heat pretty rapidly. But, by running with the solution lines coiled on the reel, my temps were a steady 205 degrees off the van.....a 10 degree gain.

It does put added stress on the solution lines, but since I am running at a moderate level to start with, it was well within the hose's operating range. A 10 degree gain makes a big difference when you are cleaning open exit vestibules that are the same temperature as the outside air.

Cheap and simple.
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Re: Cheap heat booster

Post by dp1 on Fri Jan 27, 2017 2:11 am

I love that phrase, cheap and simple ! Lol
Fortunately I don't have heat loss issues too much here in California, but that's always good to know, just in case someone need an advice down the road, thanks Bob.
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