our products

D&Q Mining is a high-tech company integrating R&D, production and sales. It provides mature products and solutions such as crushers, sand making, milling equipment, mobile crushing stations, etc., for aggregate, mining and waste recycling.

dredge box with hungarian riffles

D.I.Y. prospecting & mining equipment parts & supplies

your Dredge, Highbanker, Power sluice, Trommel or Hand sluice. Our D.I.Y. boxes are .080 thick 5052 Aluminum, which is very sturdy, reducing box flex, bowing & bending. Helping to seal your riffles to the carpet or mat beneath them, Reducing loss of your fine gold.

More

Super Sluice Box: Keene Engineering Online

The screen system features a mix of grizzly bars, a punch plate and woven wire which quickly classifies the material and drops the water speeds underneath to at least half! This allows the riffles to do their job in ideal conditions. We are using a mix of carpets, expanded metal, Hungarian riffles and our world famous Miracle matting.

More

Gold Dredges The Best Gold Dredge, Dahlke Dredge Mfg

We feel the most important part of a gold mining dredge is the ability to recover and retain gold. Our recovery trays (sluice boxes) utilize a combination of Hungarian forward riffles for coarse gold and dovetail riffles in the back section for fine gold.

More

dredge riffles

the size of the riffles in gold dredges SBM Gold Dredge. A large gold dredge uses a mechanical method to excavate material (sand, gravel, dirt, etc.) or into the bottom of the riffles of the sluice box.

More

rifles sluice dredge difference wibovermeulen

rifles sluice dredge difference drivealong how high are hungarian riffels for a dredge giftersin rifles sluice dredge Sluice box mat and gold high banker gold dredge riffles are to flat to use for a dredge Hungarian riffles and a wider 57" x 10" hungarian riffle high Find best value and selection for your 57" x 10" hungarian riffle high

More

» The Size of Riffles

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 and material behind the riffles from the flow

More

the size of the riffles in gold dredges

A basic guide to gold suction dredge components and operation. than sand and gravel and so is easily trapped by the riffles and carpet in the sluice box. However, nozzles are used on dredges which restrict the intake to a size smaller...

More

Riffles and Sluice Boxes How do they work?

Eventually the riffles will fill up with heavy material like black sand. When you see lots of black sand showing in the riffles, you could be in a good spot for gold. How do riffles work. The reason that riffles work is two fold. First, there is an eddy created behind each

More

how to make a sluice dredger

Dredge Box With Hungarian Riffles proactivpestcoza. how to make hungarian riffles rijschoolhapnl dredge box with hungarian riffles deenamarinein hungarian riffles sluice box skyengineeringin hungarian riffles in a hand fed sluice Sluice Boxes AMDS Dredge Riffle for KEA51 Sluice This riffle replaces the stock riffle set in the KEA51

More

Riffles and Sluice Boxes How do they work?

Eventually the riffles will fill up with heavy material like black sand. When you see lots of black sand showing in the riffles, you could be in a good spot for gold. 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.

More

rifles sluice dredge difference wibovermeulen

rifles sluice dredge difference drivealong how high are hungarian riffels for a dredge giftersin rifles sluice dredge Sluice box mat and gold high banker gold dredge riffles are to flat to use for a dredge Hungarian riffles and a wider 57" x 10" hungarian riffle high Find best value and selection for your 57" x 10" hungarian riffle high

More

proline gold dredge for sale

proline gold dredge for sale. Proline Mining EquipmentGold Dredges 4 inch,The rear portion of the sluice box utilizes Hungarian riffles for maximum efficiency and the dredge is equipped with Nomad matting for the ultimate in fine gold recovery No other 4 dredge even comes close 4 Dredge wHonda GX160 HP350 pump 4045 4 Dredge wHonda GX160

More

My Home Made 3 Stage Under Current Dredge Sluice Box

Frothing water inside my old crash box sluice : Nearly all portable dredge sluices have Hungarian type riffles, and I wanted my homemade sluice to have them as well. The concept of the Hungarian riffle (also called the Lazy L) is that the water and gravel flow over the riffle and a little eddy sets up behind the riffle.

More

folding sluice box with hungarian riffles

hungarian riffles in hand fed sluice Know More. Yukon Museum Guide Treasures of the Yukon hungarian riffles sluice box P67 Hand Sluices Crazyforgold7 READ MORE Gold Well Vortex Drop Riffle Sluice Box Gold ,...

More

the size of the riffles in gold dredges

A basic guide to gold suction dredge components and operation. than sand and gravel and so is easily trapped by the riffles and carpet in the sluice box. However, nozzles are used on dredges which restrict the intake to a size smaller...

More

Hydraulic Riffles ? Gold Dredging Forum

Dec 02, 2009· will clog a sluice box with conventional hungarian riffles. However for the sake of portability some loss of gold would probably be acceptable to most beginner dredgers. The inclusion of hydraulic riffles on a dredge is the main way known to professional Kiwi dredgers to dramatically improve fine gold recovery when dredging in areas of abundant

More

how to make a sluice dredger

Dredge Box With Hungarian Riffles proactivpestcoza. how to make hungarian riffles rijschoolhapnl dredge box with hungarian riffles deenamarinein hungarian riffles sluice box skyengineeringin hungarian riffles in a hand fed sluice Sluice Boxes AMDS Dredge Riffle for KEA51 Sluice This riffle replaces the stock riffle set in the KEA51

More

Proline Mining Equipment/Gold Dredges 4" inch

The rear portion of the sluice box utilizes "Hungarian" riffles for maximum efficiency and the dredge is equipped with Nomad matting for the ultimate in fine gold recovery. No other 4" dredge even comes close. 4" Dredge w/Honda GX160 & HP350 pump ($4045) 4" Dredge w/Honda GX160 & HP350 pump & T-80 ($4495)

More

Gold Sluice Box Design Mineral Processing & Metallurgy

Metallurgical ContentSluice Matting: Rubber and CorduroyGold Sluice FabricationHow to Operate a Gold SluiceHow to Feed a SluiceSupplying Water 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

More

RDH Dredge Riffles A&B Prospecting

RDH Dredge Riffles. Hungarian riffle cage that replaces your sluice riffles highbanking or dredging set up. Designed for 10” sluices. RDH Highbank/Dredge Hopper. Keene P90/GX50. RDH #48 Sluice Box. Catalog: RDH. Price: $45.00. SKU: RDHDR. Quantity * Search form. Search . Receive Email Updates? Email * Online Store. Used Equipment (18) A&B

More

rifles sluice dredge difference

Dredge box with hungarian riffles two divers operating a new keene 4 inch dredge in shallow water the riffles or gold traps in the sluice box are best described as. Read More NEWS; Rifles sluice dredge difference. Under rifle sluice box ckrtpost7org rifles sluice dredge difference mayukhportfolio my home made 3 stage under current dredge sluice box

More

How to SIZE a Sluice Box Mineral Processing & Metallurgy

Optimum Slope of a sluice Slope of a sluice is generally in the range of 1.3 cm (1/2 in.) to 3.8 cm (1-1/2 in.) per 30.5 cm (1 ft), depending on the size rock in the feed. To move the larger rocks down the sluice requires a steeper slope or more water, both of which cause greater gold losses. Any number of types of collectors can be used in a sluice. Most common is the use of astroturf

More

Prospectors Choice Home of the Original Alluvial Sluice Box

Prospectors Choice Home of the Original Alluvial Sluice Box

More