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Jun 13, 2018· The solves two problems. First, gravel pumps are very expensive, heavy, and high maintenance items. Second, a 2" pump can easily be used with a venturi to create suction in a 4" hose, greatly increasing the volume of material that can be processed. A common suction gold dredge design 4" surface dredge with air compressor
A dredge can be a machine like a bulldozer that scoops out dirt and sand from the bottom of a harbor to make it deeper and safer for ships. They need to get a new dredge because that one isn''t ...
The size of a gold dredge ( inch, 2 inch, etc.) is determined by the diameter of the suction hose— the larger diameter the hose, the more material can be processed. A floating gold dredge is essentially a floating sluicebox that uses an engine and pump to create a vacuum and send gravel (hopefully goldbearing gravel!) into the sluice box ...
WHAT IS A SUCTION DREDGE? The image below shows a typical 5inch suction dredge. This dredge has an 8 HP engine driving a water pump and an aircompressor. Such dredges add nothing to the water. No chemicals are used. Antimining folks have described these machines as "huge" and "highpowered," and yet they fit
Shop 21 Engine Driven Full Trash Pumps at Northern Tool + Equipment. Browse a variety of top brands in Engine Driven Full Trash Pumps such as NorthStar, Powerhorse, and IPT Pumps .
Slurry pump and dredge pump terms may be used interchangeably. ... The fluid mixture by and large consists of water as a liquid with solids being minerals, sand, gravel, human waste, drilling mud or most of the crushed materials. ... Replacing the Centrifugal or Trash Pumps in Oil/Gas Drilling Operations.
Home » Gold Prospecting » Can you use a trash pump with a dredge? ... So knowing that the pressure difference is caused by the velocity of the water entering the dredge from the pump, in principle using a trash pump should work. ... yes a trash pump will work. For a smaller dredge or highbanker it worked fine for my needs.
Water pumps for gold prospecting equipment. Latest News. How to Set Up and Use a Sluice Box. How Sluice Boxes Work Running a sluice box is one of my favorite methods of prospecting.
Nov 12, 2012· Pond dredging with a trash pump Hello Everyone, ... If you have a large quantity it would be better to make a siphon "Y" and use the pump to suck clean water only ( like a gold dredge)., 03:31 PM #5. unimog_jason. ... I could see the silt being a problem if you were to try to do the job with a gas drive Chinese pump, I could see the ...
There are really two types of pumps for prospectors. Semi trash pumps and high pressure pumps. Semi trash pumps will move large amounts of water with not too much PSI. Most 2″ and 3" semi trash pumps are rated about 35 – 42 psi. Rocks, sand and gravel, up to about 1/4″ – 1/2″ can pass through these based on the pump.
DuroMax XP652WP 2Inch Intake 7 HP OHV 4Cycle 158GallonPerMinute GasPowered Portable Water Pump. out of 5 stars 103. 215. 26. ... trash pump dredge gold dredge pump Go back to filtering menu ← ...
NEW OPTIONAL DREDGE ATTACHMENT AVAILABLE! The JOBE hp Gas Powered Hibanker / Power Sluice is designed around the very popular 45 inch Yellow Jacket stream sluice. The adjustable 4 leg stand and the Hibanker Hopper are attached to the sluice. Unit is powered by a 2 1/2 horse power, 4cycle, gasoline pump.
Pond dredging with a trash pump Nov 12, 2012 · Pond dredging with a trash pump Hello Everyone, If you have a large quantity it would be better to make a siphon "Y" and use the pump to suck clean water only ( like a gold dredge)., 03:31 PM #5. unimog_jason. View Profile View Forum Posts . Get Price
SemiTrash Pumps. Semitrash pumps get their name from the fact they can pass small debris, but not much more than that. The pump housing just isn''t large enough to pass larger pumps are typically used to pump clear or slightly muddy and sandy water. The largest items any of our semitrash pumps can pass is about 5/8 of an inch.
There are two types of pumps. Semi trash pumps and high pressure pumps. (HP often referred to as clear water.) Semi trash pumps will move large amounts of water with not too much PSI. Most 2" semi trash pumps are rated about 35 42 psi. Rocks, sand and gravel, up to about 1/4" 1/2" can pass through these based on the pump.
Jan 04, 2006· I would be no help in what equipment to use but my idea was to use a trash pump and place it 12'' above the bottom and use a pressure cleaner to blast the bottom and stir it up and have the trash pump take a higher water to solid ratio. no idea how well it will work but i definitely have considered trying it.
Get the best deals on Dredge Pumps when you shop the largest online selection at Free shipping on many items | Browse your favorite brands | affordable prices. ... Homelite AP125 2Stroke Gas Water Dredge Pump working good. Free shipping. See similar items. ... FATTail HAND PUMP DREDGE PROSPECTING SLUICE GOLD SUCKER . ...
The centrifugal pumps used by all the dredge makers are well designed for this purpose. I recommend you purchase one of the pumps designed by Keene. I got my pump used at my local prospecting shop. Don''t use a trash pump and think you can pump the sand through the trash pump, saving the need for a .
offers 9,125 dredge water pump products. About 77% of these are pumps, 1% are construction machinery parts. A wide variety of dredge water pump options are available to you, such as water, oil, and air pump.
Apr 09, 2012· We tried to use a trash pump to remove some of the bottom sludge and algae from our neighborhood swimming lake. It wasn''t very successful. We might need a bi...
Gold Prospecting Water Pumps and Hoses (below pumps) IMPORTANT: Doc made the decision from day one that we would not sell pumps and hoses simply because they are so available online already and selling them ourselves would only increase the cost to you.
The Carroll Stream 3Inch Full Trash Water Pump is the ultimate Pump for Everybody. It features a workhorse Horsepower OHV Engine powering a 3Inch Centrifugal Water Pump. It is capable of moving 290 Gallons Per Minute. It has a wide variety of uses from draining a backyard pool in minutes to steadily working to lower reservoir levels.
Feb 09, 2016· While unemployed in the winter of 201516, I set out to build a 3" gold dredge on the cheap. I acquired most of the components for it, but still needed the part that does all the work: the water pump.
At present, very good equipment for suction dredgingcan be obtained at relatively low cost. Just to give you some idea, a topoftheline fiveinch gold dredge and the miscellaneous gear needed to run a small dredging operation can be obtained for less than 6,000.
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