Setting the Proper Water Velocity Through a Sluice Box
Even when a sluice box is set properly, occasional larger-sized stones or rocks can become lodged within the riffl These should be picked or flipped out of the riffles with minimum disturbance to the remaining portion of the sluice
How to Use a Sluice for Gold: 8 Steps (with Pictures ,
Oct 10, 2011· Once the sluice is stable you can begin feeding your gold bearing gravel into the upper portion of the sluice box in carefully regulated amounts It is important to not dump large amounts of gravel in the sluice all at once, or it will over load the riffles and your gold, along with all the gravel, will simply be washed through Make ,
Sep 18, 2010· Basically, a sluice box is a long, narrow box with a series of obstructions called riffles in it If the sluice is placed in a running stream of water, and gold-bearing gravel and dirt is fed into the upstream side, the heavy minerals, including gold, get caught in the eddies created by the riffles, and the bulk of the lighter ,
How to Set Up and Operate a Sluice Box or Highbanker Now we are only looking at prospecting and handmining applications, where you will be hand shovelling materials into a sluicing system, I’m going to recommend that you look into using a highbanker setup, or a power sluice, you can buy a readymade one or build one yourself, either way it .
How to SIZE a Sluice Box This week I went and asked “how to SIZE a sluice box” to the crew on a large gold prospector forum and other sluice or gravity gold recovery ‘experts’ and gathered the list of emails and forum posts here below As you will see, in summary, most can optimize or troubleshoot a sluice box but few or none can size a .
(For every foot of sluice box you have 1” of drop) So your water is moving 3mph through the box (just picked a number out of thin air) and you have too many rocks and material building up So, you drop your box to a 2” by 12” pitch Now your water speed is increased to 5mph and the HILL is steeper allowing rocks to ROLL more freely
Gold Sluice Box Design - Mineral Processing & Metallurgy
The gold sluice box is an efficient alternative to panning for gold, allowing the prospector to quickly sift through a much greater volume of sediment Although many affordable varieties are available to purchase, they are even more affordable to build With a little knowledge, skill and creativity, a prospector can build a custom sluice box from ,
» The Size of Riffles - New 49ers Prospecting Club
Most recovery systems on suction dredges use fixed riffles to trap gold out of lighter streambed materials as they are washed through a sluice box by a flow of water Riffles are baffle-like obstructions, fixed in place along the bottom of the sluice box They are designed and positioned so that there is a back-pressure created that sucks water .
Building a sluice box out of metal if you are able, or buying a ready made one, will allow you to use a better riffle system Generally, the metal sluice boxes are easier to assemble and clean than a wooden system as well
How to Build a Sluice Box | Gold Prospecting Equipment ,
how to build a sluice box - expanded metal Above the expanded metal there will be the riffles, these catch the largest of the gold and also introduce turbulent flow into the sluice box so that the expanded metal and miners moss can catch the smaller golds –