over under sluice design

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Sluice - Wikipedia
Sluice - Wikipedia

"Sluice gate" refers to a movable gate allowing water to flow under it When a sluice is lowered, water may spill over the top, in which case the gate operates as a weirUsually, a mechanism drives the sluice ,...

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Sidewinder Sluice (R)
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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5 inch Dredge Produc t Model 5109H - keeneeng
5 inch Dredge Produc t Model 5109H - keeneeng

NEW OVER/UNDER DOUBLE SLUICE BOX MODEL 5109H This report is based upon data developed on tests conducted in the East Fork of the San Gabriel River, San Gabriel Mountain Range, State of California The site of the test was approximately one-half mile south of the confluence point of the East Fork of the San Gabriel River with Cattle...

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Gate Lip Hydraulics under Sluice Gate
Gate Lip Hydraulics under Sluice Gate

The gates design as a flow get out under them, so, they called under flow gates which is hydraulically similar to the discharge through orifice, and also it may design to allow the water flows over it, so, the gates called the over flow gates, which is hydraulically similar to the flow over weirs Because these important, more authors’ deals with...

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Grumpy Prospector Home
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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Department of Mechanical Engineering Sluice Gate Flowrate
Department of Mechanical Engineering Sluice Gate Flowrate

Department of Mechanical Engineering Sluice Gate Flowrate Objective: The flow-rate of water under a sluice gate as shown on the figure is a function of the water depths upstream and downstream of the gate The purpose of this experiment is to compare the theoretical flow-rate with the experimentally determined flow-rate...

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Sluice Gate Module-6 - University of Alabama
Sluice Gate Module-6 - University of Alabama

one of the most common gat In order to design a sluice gate it is necessary to determine the head-discharge relationship (Q=f(H)), and the pressure distribution over the gate; this lab will be focused only on the head-discharge relationship Figure 1 shows the diagram of the flow under a sluice gate, assuming that there are no energy loss...

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Vertical Sluice Gate Discharge Coefficient - ojceuir
Vertical Sluice Gate Discharge Coefficient - ojceuir

Vertical Sluice Gate Discharge Coefficient Navid Nasehi Oskuyi 1* 2and Farzin Salmasi 1 M Sc Student of hydraulic structures, Department of water sciences ,...

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Underflow sluice - GPEX
Underflow sluice - GPEX

Feb 07, 2013· An underflow sluice is just a second sluice box that usually has small to no riffles; expanded mesh over MM works The feed is screened off the material in the primary sluice with the smaller stuff going to the underflow Another problem to deal with is water management in each sluice...

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Sidewinder Sluice (R)
Sidewinder Sluice (R)

The Sidewinder Sluice ­ We have developed a revolutionary design that captures Micron Gold and heavy minerals more affectively than common straight trough sluic This design forces water to Back Spiral and create Vortex, (Eddy's), in the flow path...

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The PopandSon Sluice - GPEX
The PopandSon Sluice - GPEX

May 05, 2011· The CGPF is very much humbled with the kind offering of Steve and Jason Gaber in sharing with our membership, their design and such other related data, as pertaining to the ‘PopandSon’ sluice Over a number of years, this father-son duo labored long and diligently toward refining their sluice to the point where it now delivers excellent ....

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Best Sluice Box: 5 Dream Options for Gold Prospectors
Best Sluice Box: 5 Dream Options for Gold Prospectors

Best Sluice Box for 2016 , You simply need to gather as much substrate as you could and pour them over the sluice box and use water to run them through the layers of mesh , Known for its small and compact design, the Mini Power Sluice Kit is a top option among gold prospectors...

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Sluice Box Design [Archive] - AMDS Adventure Forum
Sluice Box Design [Archive] - AMDS Adventure Forum

Hi, The Klondike Placer Miners Association commissioned what in my opinion is one of the best studies ever done on sluice box design They actually irradiated gold to make it temporarily radioactive so gold losses could be traced with near 100% accuracy Some fallacies in current designs are revealed, some common assumptions punctured, and specific suggestions made for improving recovery...

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UnderFlow Sluice Box - nuggetshooteripbhost
UnderFlow Sluice Box - nuggetshooteripbhost

Jul 23, 2013· 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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Sluice - definition of sluice by The Free Dictionary
Sluice - definition of sluice by The Free Dictionary

Define sluice sluice synonyms, sluice pronunciation, sluice translation, English dictionary definition of sluice n 1 a An artificial channel for conducting water, with a valve or gate to regulate the flow: sluices connecting a reservoir with irrigated fields , Rikki-tikki tingled all over ,...

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SLUICE GATES, ROLLER GATES, AND TAINTER GATES
SLUICE GATES, ROLLER GATES, AND TAINTER GATES

flows over it, it acts like a weir (Mead and Jansen) It , Finding flow rate under sluice: Assuming no energy loss Assuming energy loss Where is the “contraction coefficient” which ranges from 059 to 062 usually The losses are incorporated through this value , Tainter gates, design considerations (from...

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Modding to a 3 stage sluice - DIY PROJECTS - Nugget ,
Modding to a 3 stage sluice - DIY PROJECTS - Nugget ,

Sep 04, 2014· 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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Self Feeding Sluice Box! Cool new invention takes the pain ,
Self Feeding Sluice Box! Cool new invention takes the pain ,

Oct 17, 2017· This new invention will take the pain out of feeding a sluice box by first eliminating the need to hunch over or sit down beside the sluice box with a bucket precariously perched over its edge ....

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Modeling of flow characteristics beneath vertical and ,
Modeling of flow characteristics beneath vertical and ,

Modeling of flow characteristics beneath vertical and inclined sluice gates using artificial neural networks , little work has been done on flow under inclined sluice gat , carried out experimental study on simultaneous flow over and under a sluice gate Clemmens et ,...

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Gold Sluice Box Design - Mineral Processing & Metallurgy
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 almost any type of solid material available...

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Problem 42 Solution
Problem 42 Solution

CEE 345 Spring 2002 Problem set #3 Solutions Problem 47 A concrete-lined trapezoidal channel with bottom width of 10 ft and side slopes of 1 vertical to 2 horizontal is designed to carry a o w of 3000 cfs...

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New Vortex Sluice - Sluicing, Highbanking and Dredging ,
New Vortex Sluice - Sluicing, Highbanking and Dredging ,

Jan 09, 2014· Interesting design I wonder if a design like this could be incorporated into dredges and be a benefit to holding onto mercury and provide an argument against the methal mercury BS I'm thinking about something like several differnent under current chambers similar to an over under sluice ,...

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Over And Under Gold Dredge - greenrevolutionorgin
Over And Under Gold Dredge - greenrevolutionorgin

over and under gold dredge and over and under gold ore dredge 3 034 Keene Gold Dredge w Air and Over Under Sluice Box for Gold This is the price (excluding shipping and handling fees) ....

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DIY prospecting & mining equipment parts & supplies ,
DIY prospecting & mining equipment parts & supplies ,

These DIY Sluice boxes are DURABLE & LONG LASTING! Perfect for the person wanting to build their own personalized recovery system for their specific recovery needs 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...

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sluiceinabox - FissureMan Online
sluiceinabox - FissureMan Online

Some of this tool's design aspects that deserve to be highlighted are: - 36" overall sluice bed combined length in an over/under folding switchback configuration - Combines five material separation/trap mechanisms rather than just one or two typ...

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highbanker sluice | eBay
highbanker sluice | eBay

Find great deals on eBay for highbanker sluice Shop with confidence Skip to main content eBay Logo: , Under $25000 - apply Price filter $25000 to $34000 - apply Price filter , Trending at $1365 Trending price is based on prices over last 90 days Buy It Now +$449 shipping 71 Sold 71 Sold...

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Keene 4 inch Dredge with 3 stage sluice (FREE SHIPPING)
Keene 4 inch Dredge with 3 stage sluice (FREE SHIPPING)

Keene 4 inch Dredge with 3 stage sluice (FREE SHIPPING) - FOR CURRENT PRICING AND AVAILABILITY ON KEENE DREDGES AND DRY-WASHERS PLEASE CONTACT US toll free: 1-888-985-6463 The most popular 4 Inch ....

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Undersluice | Definition of Undersluice by Merriam-Webster
Undersluice | Definition of Undersluice by Merriam-Webster

Undersluice definition is - a sluice covered from view or lying beneath another structure; specifically : a wasteway for sluicing out canals in which the waste escapes beneath other structur , You must — there are over 200,000 words in our free online dictionary, , History and Etymology for undersluice under entry 3 + sluice Keep ....

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How I built a recirculating sluice box for gold prospecting
How I built a recirculating sluice box for gold prospecting

How to build a recirculating sluice box for gold prospecting How I built a recirculating sluice box for gold prospecting It was easy You can do it too , I didn't design the sluice to be used in the stream like this, but it works really well , This photo shows the mesh in the sluice under the riffl It also shows how the riffle assembly ....

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SLUICE GATE - TITLE LAB REPORT ON SLUICE GATE JOMO ,
SLUICE GATE - TITLE LAB REPORT ON SLUICE GATE JOMO ,

Lab Report 4 A BSTRACT Basic experiments were conducted on sluice gate under different condition free outflow and submerged outflow condition It was found that the specific energy was related to both the velocity and the head at the upstream of the gate Good agreements between the measured values and the values computed from the predictive equation were obtained...

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