over under sluice design

DIY prospecting mining equipment parts supplies

With either 4 or 5 tall sides they are well suited for an over/under type 2 or 3 stage sluice for your Dredge Highbanker Power sluice Trommel or Hand sluice Our DIY boxes are 080 thick 5052 Aluminum which is very sturdy reducing box flex bowing...

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Over The power to stand out in the palm of your hands

Personalise a professional design in minut Download Over on your smartphone and get instant access to thousands of curated templates graphics photos and fonts Home Teams About Support Careers Blog 2020 Trends Kit...

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Gold Well Vortex Drop Riffle Sluice Box

The 6 Vortex Drop Riffle Sluices are made of 6061-T6 aluminum which is very durable 12 Vortex Drop Riffle sluices are considered production or commercial sluices and are manufactured with 7075-T6 aluminum one of the toughest alloys of aluminum available The Goldwell sluice is the familiar gravity sluice type operation with some subtle and important differenc...

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Highbankers

Power Sluices and Hibankers are available at the bottom of the page - scroll down About Power Sluice / Highbankers A power sluice sometimes called a highbanker or hibanker is a piece of gold prospecting equipment that uses a pump to force water through a sluice box to mimic the natural flow of a river Sometimes a hopper box with spray bars and a classifier sieve or grizzly screen is...

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The Gold Dredge

Suspended under the water by a float system Suction Nozzle The latest technological design is the new 3 stage sluice box The new box works similar to the double or triple sluice classifying the fine material into separate compartments or sluices for processing The material passes over two different classifier screens allowing more...

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Bernoulli Equation Calculator with Applications

The Bernoulli equation cannot be used across hydraulic jumps since energy is dissipated Usually for sluice gates Z 1 gt gt Z 2 so the Bernoulli equation can be simplified to Q = Z 2 W 2 g Z 1 1/2 Munson et al 1998 - which is the equation used in our calculation Circular hole in...

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How to SIZE a Sluice Box

Optimum Slope of a sluice Slope of a sluice is generally in the range of 13 cm 1/2 in to 38 cm 1-1/2 in per 305 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 loss Any number of types of collectors can be used in a sluice Most common is the use of astroturf or...

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SLUICE BOXES 101 RECOVER MORE GOLD WITH MY GOLD

Early sluice boxes were nothing more than wood or fine clay troughs Many different types of riffles were tried stone logs grass sticks etc The pioneer prospectors found that a rough wooden sluice with raised wooden slats worked best and was easy to build The principal behind the sluice box is the same no matter what design is used...

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The gelsluice an innovative idea for the present sluice

2 History of sluice design development consisted mostly of a row of trees over which the ships were pulled over the dam to the This is an open access article distributed under the terms of...

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The Basics of Culvert and Inlet Design

Engineering Design Criteria The design of a culvert should take into account many different engineering and technical aspects at the culvert site and adjacent areas The following design criteria should be considered for all culvert designs as applicable Engineering aspects 1 Flood frequency 2...

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Grumpy Prospector Home

UnderFlow Sluice Design A complete system for Placer Gold/Platinum mining Ultimate all gold recovery up to 99 depending upon the skill level of the operator One Cleanline System No Miners Moss No Carpets and No Positive riffles to have to remove and clean for your Gold recovery...

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Best Sluice Box 5 Dream Options for Gold Prospectors

Known for its small and compact design the Mini Power Sluice Kit is a top option among gold prospectors This kit includes a sluice box that measures 32 long and 6 wide a sluice stand and a header box It also has a 4-foot hose to help you sift through the substrates and a 12 V pump that you can connect to your car batteri...

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best stage sluice box design

Sidewinder Sluice The best Sluice Box in the World The sidewinder sluice has many advantages over conventional straight trough sluice boxes it captures micron gold mesh much better than any other sluice because of its design black sands and other heavy materials can be periodically removed from the sidewinder while the sluice remains in the water flow path...

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UnderFlow Sluice Box

Jul 23 2013 0183 32 John the underflow sluice is not an over and under sluice it only has one level with 2 3 or more U shaped channels traversing the sluice with an adjustable wall that hangs down into the center of each channel forcing all the material to go under the walls and through the U shaped channels the gold being heavier stays in the bottom of the U and the lighter materials washes up and out the...

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What is a Sluice Gate with pictures

Dec 13 2020 0183 32 A sluice gate is a mechanism used to control water flow These devices are often used in water treatment plants mining dams rice fields and cranberry bogs among other plac The gates are typically made of wood or metal and often slide vertically on a frame to open or close allowing water to flow out of a space or to be contained in it...

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Best Sluice Box REVIEWS Find More Gold With These Sluice

If you ve been panning gold for any period of time you may find that it s time to move on to using a sluice box A sluice box is a very common tool used by new and seasoned prospectors to find gold They re designed to be used in a stream or a river and have been used all over the world for centuri...

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Calculation of the discharge under a sluice gate Victor

onlinechannel13 Discharge under a sluice gate Discharge under a sluice gate Equations C c = y 3 /y 2 C d = C c / 1 C c y 2 /y 1 1/2 v 2 = C d 2gy 1 1/2 q = v 2 y 2 Recommended value C c = 061 INPUT DATA reservoir design life Equilibrium channel top width using the Lane et al theory Modified Einstein Procedure...

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Grizzly Gold Trap Sluice

Grizzly Gold Trap sluices are the next generation of fluid bed sluic Used by prospectors to capture gold from nuggets to fine gold in streams and rivers Grizzly Gold Trap is a self-classifying sluice and maximizes gold recovery better than any sluice on the market...

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Cast Iron Sluice Gates

Side wedges are keyed directly to the sluice gate disc to prevent rotation Exact alignment is ensured Low unit pressures are uniformly distributed over bearing surfac Top and Bottom Wedge Both top and bottom wedges utilize a bronze hook and loop that are bolted directly to the cast iron frame and keyed to remain immoveable under force...

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Sluiceway Deflector Design as part of the Boundary TDG

In 2008 an improved welded design was applied on the gate slot heater covers for Sluice Gate 4 Gates 2 and 6 had their gate slot heater covers removed for throttle testing to avoid problems In 2008 Sluice Gates 2 and 6 were throttled for a total of 64 hours and Sluice Gate 4 was throttled for a total of 401 hours 167 days...

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10 Pond Outlet Structures

1 A sluice gate consists of a protected opening in the pond dike that can be easily closed with wooden boards to regulate water level and can be screened to avoid fish loss Whenever required it can discharge excess water continuously 2 As the sluice gate is an open outlet structure it does not require a base pipe through the dike...

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Sidewinder Sluice R

The Sidewinder Sluice has many advantages over conventional straight trough sluice box It captures Micron Gold 100 - 150 mesh much better than any other sluice because of it s design Black Sands and other heavy materials can be periodically removed from the Sidewinder while the sluice remains in the water flow path...

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Cast Iron Sluice Gates

Since 1840 Rodney Hunt has pioneered safe and reliable flow control solutions in thousands of applications around the world We have worked with municipalities utilities contractors consulting engineers and plant operators to solve their toughest design operation and application problemsFrom all types of cast and fabricated gates to custom valves and actuation Rodney Hunt brings a...

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Sluice Box for sale eBay

Get the best deals on Sluice Box when you shop the largest online selection at eBay Free shipping on many items Under 6000 6000 to 10000 Over 10000 Please provide a valid price range E-Z SLUICE BOX WITH FLARE OVER 45 000 SOLD LIGHT WEIGHT SLUICE GOLD PROSPECTING 6695 Free shipping 7 watching Gold Vortex Matting...

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ESTIMATION OF FLOW DISCHARGE UNDER THE SLUICE AND

the contraction coefficient under free and submerged flow conditions Lozano et al 6 considered a number of sluice gates in irrigation canals operating under submerged flow conditions and found that the effects of the contraction coefficient on the discharge coefficient are considerable at high submergence levels...

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Sluice Box for sale eBay

Get the best deals on Sluice Box when you shop the largest online selection at eBay Free shipping on many items Under 6000 6000 to 10000 Over 10000 Please provide a valid price range - Buying Format see all All Listings Best Offer Auction Buy It Now...

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Course Teacher Prof Dr M R Kabir IRRIGAITON

o To help scouring and of the silt deposited over the under-sluice floor and removing towards the downstream side o To help passing the low floods without dropping the shutters of the weir The divide wall The divide wall is a masonry or concrete wall constructed at right angle to the axis of the weir...

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Section 3 HYDRAULIC DESIGN A Weirs and Orifices

B Criteria for Hydraulic Design Closed Conduits B1 GENERAL HYDRAULIC CRITERIA Closed conduit sections pipe box or arch sections will be designed as flowing full and whenever possible under pressure except when the following conditions exist a In some areas of high sediment potential there is a possibility of stoppage occurring...

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Modding to a 3 stage sluice

Sep 04 2014 0183 32 Newer Keene dredges are over under but a 3 stage An over under two stage works very well I did like my newer keenes but it took a bit of a learning curve to figure out how to best run the under part for fine gold The best ever over under was the Keene triple wide sluice design...

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» Setting the Proper Water Velocity Through a Sluice Box

How much water velocity is directed over the box directly affects how much material will stay behind the riffl When the correct amount of water force is being put through a sluice its riffles will run about half full of material and the material can be seen to be dancing and vibrating behind the riffles concentrating when the water is flowing...

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