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The Pocket Sluice

Author Topic: Crash Box  (Read 2323 times)

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Offline WAGOLD

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Crash Box
« on: January 16, 2014, 09:42:11 AM »
Does anybody have some plans to make a Crash Box to convert a 10.5 " sluice to a suction dredge?  I have a homemade highbanker with grizzle already on the sluice I use for shoveling material.  Now I want to make it into a suction dredge.  I will be using a 3" hose.  Too many modifications needed on the highbanker, so decided to make a single unit Crash box.  Also, is this the right way to go?....Should have asked that first.

Thanks, Guy

Offline ebuyc

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Re: Crash Box
« Reply #1 on: January 16, 2014, 11:36:26 AM »
If you go with a crash box delivery to your sluice I highly recommend a longer slick plate to settle things out again. A crash box mixes the material violently when it enters the sluice.

A powerjet conical input method is much better because the gold is settling out in the suction hose after the main water jet mixes it up, so when the material enters the sluice it is already some what separated by specific gravity.

As far as a crash box design you just need a hood and a hose input. Opposite the hose input you need a deflector or way of dropping the water into the sluice. You can feed the crash box from top or bottom (inline with the sluice deck)...


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Did someone say       

Offline HeavyMetalX

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Re: Crash Box
« Reply #2 on: January 16, 2014, 02:31:27 PM »
 how or are you  going to classify material?

Offline Bud_sticks

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Re: Crash Box
« Reply #3 on: January 16, 2014, 07:54:49 PM »
Well depending what your hopper looks like. You could connect the output to your hopper and have it classify the material.

Offline HeavyMetalX

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Re: Crash Box
« Reply #4 on: January 16, 2014, 09:28:03 PM »
It would have to be  low profile.... even double screen set ups are very low profile so as to not screw too much with lift for them rocks....

 


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