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Author Topic: Cement mixer trommel  (Read 2990 times)

Lefty

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Cement mixer trommel
« on: September 15, 2013, 07:04:22 PM »
Bluey, I noticed that you posted a photo of a cement mixer converted into a trommel, though I can't find the photo now.

Just wondering if it was yours and if you know how well it worked since dad had the same idea.

Seems to me like it should work - anyone had a go at this?



Got a prototype willoughby made today. Two pieces of 5 foot long, 1 inch square box steel loosely joined by a bolt with a trampoline spring between the two. It's not quite as bouncy as I was expecting though it still returns with enough force that you don't want to have your chin over the end of the handle :) Should make washing minimal effort.

Bluey Zarzoff

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Re: Cement mixer trommel
« Reply #1 on: September 15, 2013, 07:47:17 PM »
Hey Lefty.

Yep, still got it. Been put to good use lately.

The one in this shot is now someone elses. I have done another one though.



Not using it as a trommel as such, using it to wash the clayey stone before it goes through the pulsator.

I do trommel the stone first if it dry , mainly so the some of the fines are out of it prior to running water through it all. Saves digging as much dirt out of the dam.

Does come in handy if there has been rain and the wash is damp though. Can go straight through.

Come and have a look at it when you are up here.
I started out with nothing
And still have most of it left.

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Women will never be equal to men until they can walk down the street with a bald head and a beer gut, and still think they are sexy.

Lefty

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Re: Cement mixer trommel
« Reply #2 on: September 15, 2013, 08:09:27 PM »
Cheers Bluey.

Dad sold our old one probably 20 years ago but more recently had the idea of converting a cement mixer rather than buying another trommel, the cement mixer being smaller (can go in the back of my ute).

Will give it a whirl when everything reaches final approval and we can use motorized trommels, pulsators etc.

Wwoofa

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Re: Cement mixer trommel
« Reply #3 on: September 15, 2013, 08:10:21 PM »
Hi,
I saw some people using a cement mixer that you turn by hand to break up/wash gravel once.  They put in some gravel & a bucket of water then turned it over a few times and then emptied it into a bucket with a sieve on top.  Seemed like quite a good idea when there isn't much water.  They had a box trailer to carry the mixer and lots of water.
Regards, Paul

Lefty

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Re: Cement mixer trommel
« Reply #4 on: September 15, 2013, 08:44:17 PM »
Cheers Paul.

He is actually considering buying two, one to sieve out the fines like a trommel and the other (without any holes cut in it) to transfer the sieved wash to and then add water, the swirling action theoretically working a bit like a pulsator. Then tip out onto a screen and give a quick rinse before sorting.

Depending on how much water you have available I guess.

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