Filling Batteries.
- Thread starter Darren
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Egon
Epic Contributor
Darren; I know your acid supplier would stutter a bit!
If they get the impression their product is not being handled properly they may not supply you.
I'm going to suggest you make sure you have some protective clothing, a shower and eyewash available as well as a stand by fellow or someone close by to keep watch.
It may be a matter of accepting facts and taking the time to do it properly.
I know that is not the type of answer you are looking for BUT!!!
If they get the impression their product is not being handled properly they may not supply you.I'm going to suggest you make sure you have some protective clothing, a shower and eyewash available as well as a stand by fellow or someone close by to keep watch.
It may be a matter of accepting facts and taking the time to do it properly.
I know that is not the type of answer you are looking for BUT!!!
Treemonkey1000
Veteran Member
I agree with Egon. Darren hopefully you have those precautions already taken. I am the Safety person for a large group. One of the areas I do testing in is a acid tank line. We can't go in that area without an 8 hour training class. Then goggles and protective gear. I can't blame you for wanting to minimize the time handling that acid. Hopefully the outfit would see the benefit of making your job easier and safer. That's cheaper than an accident. A large enough tank with some elevation with easy access isn't too much to ask for. That's easy for me to say not being in your shoes..
John47
Silver Member
CurlyDave said:
I worked around batteries during my working life from two 12 volt units on scooptrams to nine ton loco batteries down to humble cap lamp batteries, and he scares me wanting to pressurize a container of acid.
I'd sooner it take longer than get that crap all over me in a burst of somekind.
Dont think pressure, think vacuum. I used to work at a plant making lithium batteries. Pacemaker sized up to brick sized.
When filling, we set them in a fixture that pulled a vacuum on the filling port. Once correct -psi was reached, flip a valve that cut the vacuum and opened the flow from the acid resevoir. SLURP, battery pulled in all the acid in a second.
Trick for a car type battery would be sealling all the cells, and also rigging the valve from vac to flow.
I just filled a motorcycle battery, took about 30 minutes to drain. But that is only once every 6 yrs...
Just an idea, good luck, be safe.
Keith in SC
When filling, we set them in a fixture that pulled a vacuum on the filling port. Once correct -psi was reached, flip a valve that cut the vacuum and opened the flow from the acid resevoir. SLURP, battery pulled in all the acid in a second.
Trick for a car type battery would be sealling all the cells, and also rigging the valve from vac to flow.
I just filled a motorcycle battery, took about 30 minutes to drain. But that is only once every 6 yrs...
Just an idea, good luck, be safe.
Keith in SC
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Darren
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I found a tank manufacturer that told me which materials were compatible with battery acid. I still like the idea of slightly pressurizing the tank. An example is a plastic gasoline tank that's left out in the sun and actually bulges from the heat induced pressure.
I also found a regulator/dryer combo that goes down to 1/2 psi. Elevating the tank would give me more than that on the feed line to the nozzle. I don't like the idea of trying to fill an elevated tank by hand. The same place also has low pressure relief valves. The tank manufacturer I'm trying to contact has a tank with a large screw type lid with an EDPM gasket. I'm going to run the idea past them. If they can make me a twenty gal tank, the top should be about waist high which would make for an easy fill.
I also found a submersible acid pump used to descale tubing. Unfortunately you can't run it dry.
I also found a regulator/dryer combo that goes down to 1/2 psi. Elevating the tank would give me more than that on the feed line to the nozzle. I don't like the idea of trying to fill an elevated tank by hand. The same place also has low pressure relief valves. The tank manufacturer I'm trying to contact has a tank with a large screw type lid with an EDPM gasket. I'm going to run the idea past them. If they can make me a twenty gal tank, the top should be about waist high which would make for an easy fill.
I also found a submersible acid pump used to descale tubing. Unfortunately you can't run it dry.
Egon
Epic Contributor
If you are having a tank made for acid consider adding a nozzle for a bursting plate as backup to PSV.
Also consider where the drains for the PSV go.
Also consider where the drains for the PSV go.
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Darren
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With a 20 gal tank, the whole setup could be placed inside another enclosure like a plastic drum to catch anything. Any pressure relief would be above or outside the liquid fill.
Egon
Epic Contributor
Makes sense.
3RRL
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I just bought a new battery for my Harley. It's an Energizer.
It came with an acid tray which had 6 outlets (funnel openings) to fit into the battery cell holes with an air gap around each hole. The side walls of the tray were about 2" or 3" tall. The acid bottle also had 6 **** on it which fit into the tray. the tray had projections upward which pierced the bottom of the 6 **** on the acid bottle. You then pressed the acid bottle down to pierce the tips of the ****. Worked like a charm.
Perhaps you could make a custom tray(s) to fit your batteries and pour the acid into it from your containers? the tray has to sit squarely on top so it doesn't fall off, and you would have to make the sides tall enough to pour the right amount of acid into it, thereby filling all the cells at the same time equally.
It came with an acid tray which had 6 outlets (funnel openings) to fit into the battery cell holes with an air gap around each hole. The side walls of the tray were about 2" or 3" tall. The acid bottle also had 6 **** on it which fit into the tray. the tray had projections upward which pierced the bottom of the 6 **** on the acid bottle. You then pressed the acid bottle down to pierce the tips of the ****. Worked like a charm.
Perhaps you could make a custom tray(s) to fit your batteries and pour the acid into it from your containers? the tray has to sit squarely on top so it doesn't fall off, and you would have to make the sides tall enough to pour the right amount of acid into it, thereby filling all the cells at the same time equally.