• DREDGE SUCTION NOZZLES

    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 Some dredge basics Keene Eng,Mismatch Nozzle/Jet: It is critical to have the proper jet or suction nozzle design to optimize suction. So many customers attempt to build there own dredge, and they have

  • Suction Nozzle an overview ScienceDirect Topics

    A well designed suction nozzle has a gradual decrease in area from nozzle to impeller, allowing a progressive increase in velocity. Area distribution guidelines are shown in (PDF) Improve design for pump suction nozzles,201351· Improve design for pump suction nozzles May 2013 Authors: M.G. Choudhury A. Kulkarni Dinesh Koranga WP Abstract Several analysis methods exist to

  • Some Aspects of Suction Dredge Design ausimm

    Important factors in dredge design are the estimation of total head, and the determination of flow in and around suction nozzles and in pipe lines. Total head for the dredge pump is Dredge Suction Nozzles Gold Fever Prospecting,Dredge Suction Nozzles Product Description: Ideal for shallow water dredging these dredge suction nozzles are precision manufactured by Jobe and Keene from thinwall plated steel tubing with machined orifices

  • DIY PVC Dredge Nozzle (Part 1) YouTube

    2013222· DIY PVC Dredge Nozzle (Part 1) YouTube For best picture watch in HD720p! This video shows an easy way to make a PVC dredge nozzle that operates on Suction Nozzle or Power Jet? DredgeNZ,A suction nozzle is the traditional method for creating the venturi. The advantage of using this method is that it can be operated in water as shallow as the dredge will float in. The down side is you need two hoses, one

  • 3" dredge nozzle YouTube

    2012117· 3" dredge nozzle WearyI 360 subscribers Subscribe 369 80K views 10 years ago 3" dredge nozzle home made for under $50.00 This is my instructions to build this nozzle..Suction Nozzles DredgeNZ,Suction Nozzles. Suction nozzles are suction creating devices on a gold dredge. They in effect push material through the suction hose to the sluice box. Suction tips are used in conjunction with power jets, the other type

  • (PDF) Improve design for pump suction nozzles ResearchGate

    201351· The typical pump discussed is a 25 cm or 30 cm suction pump with horsepower in the 500 range. This type of pump will deliver up to 180 m of head, as is required for this type of process.Some Aspects of Suction Dredge Design ausimm,Important factors in dredge design are the estimation of total head, and the determination of flow in and around suction nozzles and in pipe lines. Total head for the dredge pump is calculated from velocity, static, and friction heads. Flow into suction nozzles depends on whether hydraulic jets or mechanical cutters are used, and on nozzle shape.

  • Suction Nozzles DredgeNZ

    Suction nozzles are suction creating devices on a gold dredge. They in effect push material through the suction hose to the sluice box. Suction tips are used in conjunction with power jets, the other type of a suction Suction Nozzle or Power Jet? DredgeNZ,A suction nozzle is the traditional method for creating the venturi. The advantage of using this method is that it can be operated in water as shallow as the dredge will float in. The down side is you need two hoses, one

  • plans to make 2" suction nozzle for dredging GOLD Forums

    20141210· You can also use the jet tube instead of a suction nozzle, it would attach straight into the top of your sluice or into your hopper and then you will only have one hose to deal with in the water, but the nozzle end of your hose should be kept under water at all times when dredging or you will get a blast of air and water into your sluicebox and Keene 2.5" Jet Flare Dredge Suction Nozzle with P160,The KEENE 2½” JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the stateoftheart sluice box is more efficient, compact, and lighter. A 150 GPM pump mounted on a Honda GX120 drives the 2½” dredges.

  • » Suction Dredging for Gold

    Using a dredge, an (experienced) operator is able to process a much larger volume of streambed material than with any other smallscale handmining apparatus. Most of the goldbearing riverbottom streambed material is Suction Nozzles Armadillo Mining Shop,2 Inch Suction Nozzle 1.25 Inch Pressure $ 179.95 Item # sn2. 2.5 Inch Suction Nozzle 1.25 Inch Pressure $ 199.95 Item # sn251. 3 Inch Suction Nozzle 2 Inch Pressure $ 229.95 Item # sn32

  • Suction nozzle and power jet design? Nugget Shooter Forums

    2014416· I have the basic design figured out, can anyone give me the ratio of the size of the. water inlet line to the suction line size? Also pressure/gpm needed to be effective? I've got a 40' drop and going from 3" to 1 1/2" line size to run my "Simple Simon". I'm hoping to run a 2" suction nozzle/power jet. :hmmmmm: Any tips will be greatlyGOLD MINER'S TOOLS :: HYDRO FORCE DRY LAND ,The durable stainless steel nozzle tip is coned down to maximize suction and dramatically reduce plugups. In dry material, the unique 360 degree high pressure ring forces gravel and gold inward and upward into the

  • DryLander Suction Nozzle Gold Dredge (3") amazon

    326· These suction nozzles are 3″ inch in diameter and work with 3″ inlet suction hose. Any 2.5″ NPT pressure hose can be easily secured to the nozzle via the welded 1.5″ NPT threaded coupling.. Requires A pressure “around” 180 GPM (gallons per minute) or 10,800 GPH (gallons per hour). Videos» Underwater Suction Gravel Transfer Systems goldgold,The regulations further state, “Every person who operates the suction nozzle of any suction dredge shall have a suction dredge permit in his or her immediate possession.” These regulations are current now, having been formally adopted in

  • Portable floating dredge design Friendly Metal Detecting Forum

    2013115· I built mine out of 4 inch PVC pipe with a 5/8 nozzle and a pump that would put out 100 psi at 100 gallons per minute. Power was an eight HP snow blower motor. You are probably looking at a suction pipe size of 2 or 3 inches and a pressure pump of roughly 25 GPM and 50 to 100 psi.Dredge Nozzles Gold Prospecting Mining Equipment Detectors ,Generally speaking, a dredge that is designed to work with the sluice on a stand, in shallow water, is almost always equipped with a suction nozzle. A dredge designed to work on flotation, with a compressor for underwater dredging, is almost always equipped as a

  • (PDF) Improve design for pump suction nozzles ResearchGate

    201351· Improve design for pump suction nozzles May 2013 Authors: M.G. Choudhury A. Kulkarni Dinesh Koranga WP Abstract Several analysis methods exist to determine the effectiveness of the pump.Some Aspects of Suction Dredge Design ausimm,Important factors in dredge design are the estimation of total head, and the determination of flow in and around suction nozzles and in pipe lines. Total head for the dredge pump is calculated from velocity, static, and friction heads. Flow into suction nozzles depends on whether hydraulic jets or mechanical cutters are used, and on nozzle shape.

  • Powerful Venturi Nozzle : 3 Steps (with Pictures)

    611· These nozzles require quite some pressure to provide enough suction. This means without a hose clamp (if you don't use the version for the quick connector) there is the risk that the nozzle will pop Suction Nozzles DredgeNZ,Suction nozzles are suction creating devices on a gold dredge. They in effect push material through the suction hose to the sluice box. Suction tips are used in conjunction with power jets, the other type of a suction

  • Keene 2.5" Jet Flare Dredge Suction Nozzle with P160

    The KEENE 2½” JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the stateoftheart sluice box is more efficient, compact, and lighter. A 150 GPM pump mounted on a Honda GX120 drives the 2½” dredges.» Suction Dredging for Gold,Using a dredge, an (experienced) operator is able to process a much larger volume of streambed material than with any other smallscale handmining apparatus. Most of the goldbearing riverbottom streambed material is

  • Suction Nozzles Armadillo Mining Shop

    2 Inch Suction Nozzle 1.25 Inch Pressure $ 179.95 Item # sn2. 2.5 Inch Suction Nozzle 1.25 Inch Pressure $ 199.95 Item # sn251. 3 Inch Suction Nozzle 2 Inch Pressure $ 229.95 Item # sn32Suction nozzle and power jet design? Nugget Shooter Forums,2014416· I have the basic design figured out, can anyone give me the ratio of the size of the. water inlet line to the suction line size? Also pressure/gpm needed to be effective? I've got a 40' drop and going from 3" to 1 1/2" line size to run my "Simple Simon". I'm hoping to run a 2" suction nozzle/power jet. :hmmmmm: Any tips will be greatly

  • Inlet size for a suction nozzle? TreasureNet

    1231· Goodyguy said: Simplest way is to use a 5" suction nozzle off the shelf then run a 3/4" garden hose from the pump with a blaster nozzle and shut off valve on the end of the hose to where you want to dry land dredge. The separate hose with blaster nozzle will do a much better job of cutting into the dryland and packed gravels than any How To Make Your Own Vacuum Dredge Nozzle HN droled ,A dredge that is designed to work with the sluice on a stand, in shallow water, is almost always equipped with a suction nozzle. If you are using a high banker dredge combo with multiple uses you can also purchase the power jet and suction nozzle so that it can be used with either configuration depending on the application.

  • Dryland Dredging Nozzle, This thing works pretty well!

    1222· Dec 5, dredge dredge nozzle dryland dredge hydroforce CGC Miner Full Member Nov 18, 2010 195 345 High Rockies Detector (s) used GB2 Primary Interest: All Treasure Hunting Dec 5, #1 This is my first full run with 4" dryland dredge nozzle. You will need a big pump to run this thing. Figured out how to make it productive. » Underwater Suction Gravel Transfer Systems goldgold,The regulations further state, “Every person who operates the suction nozzle of any suction dredge shall have a suction dredge permit in his or her immediate possession.” These regulations are current now, having been formally adopted in

  • Keene Dredge Suction Nozzles Gold Fever Prospecting

    Dredge Suction Tips reduce rock jams! Keene DREDGE SUCTION TIPS reduce rock jams! Suction Tips attach to the end of a suction dredge nozzle. Tips are made of thin walled plated steel tubing and feature a rolled tip which will reduce rock jams by up to 20%. #st15 1.5" #st2 2" #st25 2.5" #st3 3" #st4 4" #st5 5" These are suction tips.Portable floating dredge design Friendly Metal Detecting Forum,2013115· You are probably looking at a suction pipe size of 2 or 3 inches and a pressure pump of roughly 25 GPM and 50 to 100 psi. The high pressure pump can be almost any distance from the venturi because the pressure head is high and the hose diameter will probably be large relative to the flow.