The A52S Super Sluice Box is our new baby and we couldn't be prouder! Learn what all the buzz is about by watching our video then get yours before there is a waiting list! HOT OFF THE PRESSES! ... This is a cool dredge, a 6" supermax with an 8" conversion for moving overburden. We are hopping that the recovery will work well with the 8 ...

homemade sluice box **COMPLETE** Lots of Pics

Lower sluice is set up with tall dredge riffles and miners moss on top of deep v-groove matting. The punch plate creates a lower pressure flow under it and fine gold drops through the holes and sits down nice. ... I put a plastic crate at the bottom of my longer sluice or dredge box at times - to test if any quantity of gold is escaping - there ...

How To Suction Dredge for Gold: The Basics

Think of a suction dredge as a vacuum cleaner for underwater environments. Prospectors use dredging equipment to draw up wet sand, silt, dirt, or clay. The suction hose moves that raw material from the riverbed to a sluice box that separates out the gold particles. The components of a standard suction dredge in…

Keene 3 Stage Sluice Box

90% of all visible gold is recovered in the primary recovery riffles. This section can be removed independently, reducing clean up time drastically. We recommend this stage be cleaned once a day while the others may be cleaned as infrequently as once a week. ... 3 stage sluice FAQ Info on 's newest dredge 3 stage sluice box ...

Sluice Box Matting Options for Fine Gold Recovery

Quality matting is important not only in a basic sluice box, but also for the sluice on a suction dredge. It is a good idea to experiment with different water flows, angles of the sluice box, riffle types, and different matting to increase the fine gold recovery. To prevent clogging of the riffles and matting, don't feed the riffles to fast.

Keene A52S Super Sluice Box | Pro Music

The A52S can be expanded into a highbanker/dredge system if you want to increase production and get more gold. This sluice box takes the standard in the industry for decades, the A52 and adds on all the features to super charge it. ... latches, screens, and riffles are simply bulletproof and should last for years. The performance of this sluice ...

SLUICE BOX

Keene A52 sluice box made from light weight aluminum. ... of gold and handles the black sand around here very well and from what I can see very little if no gold escapes its riffles. It has the black fine riffles at the front for extremely fine gold recovery and good rear riffles which also catch fine gold. ... a division of DUNSTAN CREEK ...

Hydraulic Riffles VS Hungarian Riffles

Shop for a Gold Wash Plant with Hydraulic Riffles here. Water injection into the capture zone of a sluice box, marketed as hydraulic riffles, represents the latest major …

» Setting the Proper Water Velocity Through a Sluice Box

Sluice boxes process material best when receiving it from a steady feed. Too much material dumped at once into a sluice box has a tendency to overload the riffles and choke off the concentrating-action behind the riffles. This will cause gold to wash right through the sluice box as if there were no riffles present at all.

Some dredge basics

box. 2.5" dredge 4 hp engine with a 200 GPM pump with a 12' wide sluice box. 3" dredge 5.5 hp with 250 GPM pump 14" wide box 4" dredge 6.5 hp with 275 GPM pump with 16' box 5" dredge 13hp 400 GPM with 20" wide box 6" dredge 13 to 26 hp 20" to 26" wide sluice depending on the pumps and horsepower. LOW SUCTION POWER

Dredge Ready Hopper High Banker 54-inch Sluice Kit FREE …

The 54″ Ultra Wide Sluice Box with everything you need to use in creeks and streams. Flare, Matting, Expanded Metal, Hungarian Riffle Tray and New improved quick release break down Stand, and Carrying Handle for easy transport. Also included is our first Highbanker/ Dredge ready Hopper to convert your Sluice into a Highbanker/ Dredge or both.

8X47 Sluice Box Dredge : Patio, Lawn & Garden

Outperforms Outdated Riffle Sluice Mats: The Vortex Dream Mat is the first-ever sluice mat employing advanced fluid dynamics to naturally capture and retain gold using mini Hydro-Cyclone inspired vortex cells. Ideal for gold prospectors seeking efficient gold recovery in the outdoors or in their commercial washplant.

48" Highbanker with Hopper Dredge Box

In the bottom of the sluice is 12 inches of black matting for fast gold ID, followed by 36 inches of miner's carpet. Expanded metal riffles helps keeps the gold in the box and prevents the rocks from knocking it loose. Sluice stand has 18" high legs. Hopper Dredge Box: Aluminum hopper box is 14" x 14" x 10" deep and has a 2" dredge inlet, a ...

VEVOR Folding Aluminum Alloy Sluice Box, Compact 50" Sluice Boxes …

VEVOR Folding Aluminum Alloy Sluice Box, Compact 50" Sluice Boxes for Gold, Lightweight Gold Sluice Equipment, Portable Sluice Boxes w/Miner's Moss, River, Creek, Gold Panning, Prospecting, ... The riffles are built-in to create water turbulence in the sediment channel. In addition, they will trap gold flake and small gold flour in ...

Hydraulic Riffles ? | Gold Dredging Forum

The solution is to use Hydraulic riffles in a sluice box. But ... hydraulic riffles are not all that practical for installing on a small portable dredge. ... as using hydraulic riffles in a dredge sluice box). Without the vibration, the black sand would tend to pack solid and much of the gold would jump riffles until it reaches the end of the ...

Riffles and Sluice Boxes

How do riffles work. The reason that riffles work is two fold. First, there is an eddy created behind each riffle, causing a temporary lull in the water flow. The material that is flowing is in a liquid state. This causes the heavies to be at the …

How To Build and Operate Sluice Boxes

most boxes specifically built for this type of gold don't use any type of riffle system. Good examples of this box type are the 'DFS' (Damn Fine Sluice) and Steve Gaber's 'Pop-and-Son Sluice'. On the other hand boxes designed to concentrate gold particles of …

How To Suction Dredge for Gold: The Basics

Sluice Box. The sluice box is where the magic happens, so to speak. Inside the box is a series of textured riffles designed to catch particles of gold. Nuggets and particles sink down into the riffles, while non-gold materials like excess sand and dirt get washed away. Pro Tip: As with all the other components of your dredge, the sluice box ...

Riffle Design, Height & Spacings?? | TreasureNet …

Like you said the dredge box riffles are a lot closer together & I have always based my riffle spacings along this ideal. I have a 3" dredge box & a 4" dredge box. The riffles in both boxs are 1" high & spaced at 3.25" but …

How To Build and Operate Sluice Boxes

Riffle Construction. Almost all of the riffles used in our tests were constructed by using 3/4x1/8" aluminum in various sectional shapes. The compound riffles were bent from 1-1/4"x1/16" flat …

Sluice Box Matting & Miners Moss | Gold Prospector

Quality sluice box matting is important not only in a basic sluice, but also for highbanker mat, and on a suction dredge. Riffles do a great job of slowing down the gold, but some type of matting underneath the riffles is required to hold the gold and help prevent it from flowing out the bottom along with waste material.

Maximizing Gold Recovery with a Highbanker: …

Clean out the sluice box regularly: Over time, material can build up in the riffles and prevent the gold from settling properly. Make sure to clean out the sluice box regularly to maximize your recovery. By following these …

EZ-SLUICE

Most of the exposed surface area of the box is ribbed for further gold catching. Riffles snap in and out for easy clean up. With the new flare design your first gold will get trapped in the first integrated ribs of the flare. ... Sluice Box Frame …

48" Highbanker Complete Kit

Expanded metal riffles helps keeps the gold in the box and prevents the rocks from knocking it loose. Sluice stand has 18" high legs. Hopper Dredge Box: Aluminum hopper box is 14" x 14" x 10" deep and has a 2" dredge inlet, a spray bar with built-in adjustable water flow and pressure port controls. Grizzly bars inside the hopper keep out big ...

4505 Series 4 Inch Dredge Assembly Instructions

The New Keene 3 Stage Sluice box. "Sluice technology of the future" Sluice Box Tilt Adjustment Move the sluice Box forward to increase or backward to decrease the angle. The proper sluice box angle adjustment can affect the recovery of values. If the sluice does not have enough angle the sluice box will "load up" causing the riffle openings ...

Gold Sluice Box Design

On one dredge, gold recovery was 90% for 12-hour gold cleanups and increased to 94% when sluices were cleaned every 2 hours (Zamyatin and others, 1975). For cleanup, clear water is run through the sluice until the …

Suction Gold Dredge Basics

A suction gold dredge is basically an underwater vacuum cleaner. Material is transported from underwater to the surface and run through a sluice box to capture the gold. A sluice box works because gold is 15 times heavier than sand and gravel and so is easily trapped by the riffles and carpet in the sluice box.

Flared dredge sluice box?

A flared sluice used in a dredge configuration must still maintain a minimum water velocity and depth to clear large material. It's advantages will be that velocities are changing through the sluice allowing for different action of riffles etc..which will help capture different fractions of gold.

Sluice boxes: Gold prospecting equipment

Sluice Box For Gold Prospecting. The sluice box is an essential piece of equipment for the gold prospector. It is used to separate the lighter sands, and other materials from gold-bearing gravel panned or shaken through a series of riffles until the gold is captured. Sluice Box Matting. Sluice box matting is essential not only in a basic sluice ...

Plan, Design and Build a Homemade Gold Sluice …

A sluice box lined with riffles is one of the oldest forms of gravity separation devices still being used today. They are simple and have been in use all across the world for thousands of years. ... Build Your Own Gold Dredge: Dredging …