dredge nozzle design and length

  • br> Why Are Dredge Sluices So Short? - Sluicing, Highbanking ...

    Apr 12, 2013· The truth is I could cut a foot off the end of just about any dredge sluice I have ever owned and barely lose any gold. I have literally done just that to save weight and make a more compact system. Adding length does not add gold unless there is something specific in the design to take advantage of the extra length.

  • br> Suction Dredge Nozzle Design - loohuiscatering.nl

    Suction Gold Dredge Basics Steve's Guides . A common suction gold dredge design 4" surface dredge with air compressor In normal operation a gold dredge is run by an operator at the intake nozzle who directs the nozzle and who captures and discards oversized rocks that would plug the intake hose.

  • br> Optimal Dredge hose length? - GPEX

    Jan 15, 2013· What have you guys found has been the best length of your dredge hose, even the pressure hose and why? I bought a 16' hose for my 3" nozzle, and i …

  • br> Plan and design your own home made suction dredge for gold ...

    Plan and design your own home made suction dredge for gold mining. ... Plans to design and build your own gold prospecting equipment See more. Gold Prospecting Equipment, What Tools Do I Pack. S3/E1. ... DIY PVC 12V Gold Dredge Nozzle 1 1/2 inch, gold sucker, bedrock sniper - YouTube

  • br> Project: Venturi Water Nozzle by insane66 - Thingiverse

    Project: Venturi Water Nozzle by insane66 is licensed under the Creative Commons ... Have students design a ventrui nozzle and print it. Option 2: Print the nozzles I have in the thing files. ... use length of 1/4" tubing and determine how much elevation head in inches of h2o you can achieve with this nozzle by elevating the nozzle until the ...

  • br> Suction Nozzle Build - GPEX

    Nov 25, 2012· Suction Nozzle Build; User Info Username: Password: Welcome, Guest ... what you are going to do is lay your suction tube section down on a flat surface and draw a center line length wise down the top of the pipe. ... I spent weeks looking in forums and on the net to find info on how to make dredge suction nozzles and all you find is bits and ...

  • br> plans to make 2" suction nozzle for dredging - GOLD ...

    Dec 10, 2014· Here's a PDF file for a jet tube, which is similar to a suction nozzle, the main differences is that the pressure inlet pipe would be curved back toward you for a suction nozzle and the total length would be shorter, also you would want the tip angled instead of straight, but this PDF file will give you the dimensions you need for good suction.

  • br> Suction Gold Dredge Basics - Steve's Guides ...

    Jun 13, 2018· A common suction gold dredge design - 4" surface dredge with air compressor. In normal operation a gold dredge is run by an operator at the intake nozzle who directs the nozzle and who captures and discards oversized rocks that would plug the intake hose.

  • br> Venturi Dredge: Why does this work? : Non-Spudgun Related ...

    Jun 25, 2008· Venturi Dredge: Why does this work? Author: ... It is the most efficient design due to its radial water injection. ... For a production dredge, the exhaust pipe must be a certain length. Gould tried making the exhaust pipe as short as possible and there was no suction. The water from the pump was coming out the exhaust end in a hurry, but the ...

  • br> Suction nozzle and power jet design? - GOLD PROSPECTING ...

    Apr 16, 2014· I have the basic design figured out, can anyone give me the ratio of the size of thewater inlet line to the suction line size? Also pressure/gpm needed to be effective?Ive got a 40 drop and going from 3 to 1 1/2 line size to run my Simple Simon.Im hoping to run a 2 suction nozzle/power jet. :hmmm...

  • br> 8 Inch Diamond and Gold Dredge |

    8 Inch Diamond and Gold Dredges. Model 8246V . ... The dredge deck is 24 feet in length and provides a spacious platform in front of the engine measuring 8 feet wide by 6 feet long. ... The diamond portion of the sluice is simple but has a very effective diamond riffle design that has been perfected over 30 years of building for the diamond ...

  • br> Gold Dredges - Gold Dredging Equipment & Machines For Sale

    The dredge sucks gravel, sand, and rocks off the river bottom and discharges the slurry into a sluicebox. A flexible plastic hose with an intake nozzle is directed at the riverbed deposition while the floating dredge train downstream. The dredge works much like a vacuum cleaner as the operator moves the nozzle in a sweeping motion upstream.

  • br> A Gold Fever Experience - Gravity Dredge Plans - Olympic ...

    The gravity powered dredge works on the same principle as a syphon, that is, that the weight of water in the pipe down hill (at a height below the suction end) creates a negative pressure in the pipe that pulls the water and the gold bearing sand a gravel through the nozzle, down the tube, and delivers it to the sluice.

  • br> Fine Gold Recovery with Suction Dredges [Archive] - AMDS ...

    Design number 1 is easy to build, but has one big issue, discussed later. Take a 4" dredge. Put a bar across the nozzle opening, screen to 2" at the nozzle, and build a box to match. For better recovery, put a crossbar on the nozzle (or better yet a teepee) with 1" openings. Now you have screened to 1". Design the box via Clarkson to match.

  • br> Suction Nozzle - an overview | ScienceDirect Topics

    It is better if a pipe length of three diameters of 30″ pipe can be accommodated as well. Suction and discharge nozzles are on either the underside or the top of the compressor. In multistage compressors, two or more inlet nozzles may be provided; the suction lines are connected to suction drums controlled to maintain the various inlet pressures.

  • br> » Double-screen Classification System in Dredging

    Conventional Suction Dredges do not allow for Much Classification. I am not sure what the exact formula is, but I know from long experience that every inch you lift the feed of a suction dredge above the surface of the water, you lose a considerable amount of suction-power at the dredge nozzle. Therefore, since we have to accomplish both ...

  • br> 3" dredge nozzle - YouTube

    Nov 07, 2012· 3" dredge nozzle home made for under $50.00 This is my instructions to build this nozzle.

  • br> gold dredge suction nozzle design - torrexconsulting.ch

    Plan and design your own home made suction dredge for gold ... The Keene backpack dredge is an ideal lightweight gold mining dredge allowing a gold prospector to move a lot of dirt and find gold and more of it. Keene gold mining dredges are high quality gold prospecting equipment. Keene 2 Inch Backpack Dredge With Suction Nozzle

  • br> Gould Engineering Bazooka Dredge

    In the final analysis, 67.5% more power is achieved and this is nothing to sneeze at. If the Suction Nozzle design reduces jamming, it would be worth it to change back to the old design. If you have an old dredge you probably have one of these old nozzles in your garage gathering dust.

  • br> DREDGE SUCTION NOZZLES - Willamette Valley

    DREDGE SUCTION NOZZLES By: Dale Russell Suction nozzles can easily be home made, with some ingenuity & a few tools. No matter what size you want to make from 1" up to 6", you can purchase exhaust pipe with that outside diameter (OD) Power jets measure the …


    Auxiliary Power Packs have just one function to power the dredge pump. ... When the discharge length needs to be increased, a Bell stand alone booster station can be added in the discharge line. This will ensure te productivity ... The data, design and/or technical information appearing on this

  • br> dredge nozzle | eBay

    Find great deals on eBay for dredge nozzle and dredge suction nozzle. Shop with confidence.

  • br> Suction Nozzles: Online

    Since 1955, has been providing the very best in mining and prospecting equipment. Whatever you need, we're here to help!

  • br> 4. The Plain Suction Dredger - Central Dredging Association

    4. The Plain Suction Dredger Figure 4. 1 A plain Suction Dredger 4.1 General considerations The characteristic of a plain suction dredger is that it is a stationary dredger, consisting of a pontoon anchored by one or more wires and with at least one sand pump, that is connected to a suction pipe.

  • br> Parts List for 4" Subsurface Dredge [Archive] - AMDS ...

    Second, since I used a suction nozzle, I cut the tube opening into the box back far enough to insert the 4" hose into the tube and clamped it down. This shortened the overall length and eliminated a clog point. Thye entire unit weighs and costs about the same as a 2.5" surface dredge.

  • br> Proline Mining Equipment/Gold Dredges 6" inch

    The framework bolts together just like the 5" but it is a more robust design. ... This is also the only 6" dredge on the market which has 25 feet of dredge hose as a standard length. Longer hose can be supplied if needed. ... This dredge offers excellent gold recovery just like our other products, and cleanup is quick and easy for a minimum of ...

  • br> Proline Gold Mining and Prospecting Equipment/Dredge ...

    Dredge/Highbanker Combo Accessories. ... Proline swivel tips set the standard for design and construction. The tip smoothly rotates 360 degrees and is equipped with a large handle. ... The 3" and larger tips include a high carbon steel wear ring which is spaced out from the nozzle body to increase dredge capacity and to make it easier to ...

  • br> Gold Prospecting Forum • View topic - Hose length for ...

    Jun 28, 2013· I run a 1-1/2", 2", 2-1/2" dredge and a 4" dredge and my hose lengths are all about the same lengths. I usually stick to 16 - 17 foot for the pressure hose and 14 - 15 foot for the nozzle discharge hose lengths. And I would say that those are generally the max. lengths. But there's always exceptions to the rule.

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