Due to manual measurement please allow 1-3cm deviation. Due to different monitors and lighting effects the actual color may be slightly different from the image.Ģ. Keene 2-inch Dredge Options Keene 3-inch Dredge Options Keene 4-inch dredge options Keene 4-inch mini dredge options Keene 5-inch dredge options Keene 6-inch & 8-inch heavy-duty dredges Keene 6-inch mini dredge options. We will solve your problems as soon as possible.ġ. Hydro-Force Dry Land Suction Nozzles Keene Power Sluice Concentrators Le Trap Sluice Sluice Boxes Suction Dredges. Cleaning clogged soft sewers such as oil blocks fine sand fine gravel blocks and general waste blockage will provide good cleaning results.Ĭustomer Service: If you confront any problems about our products please feel free to contact us we are ready to help. Wide Use: Jet nozzle can be used for flushing and cleaning of general water pipes. Special Design: The nozzle consists of one front nozzle to clear the blockage in 0 direction and three or six rear nozzles to clear the debris loosened by the front nozzle in 30 direction. Small size easy to carry and install easy to use and good performance. Powerful flushing can provide very good cleaning effect.ĭurable Material: The washer parts high pressure nozzle is made of stainless steel durable and long service life. #7835 shown above comes with BOTH types of header boxes AND a dredge nozzle and a bigger pump so you can use this one piece of mining equipment as either a sucking dredge or as a power sluice.High Performance Nozzle: This high-pressure washer nozzle can work with pressure up to 5000PSI and hot water temperature up to 310F. A power sluice "washes" material you shovel into it, whereas a dredge sucks material up from a stream through a hose and deposits it into the sluice. Notice the shape of the Dredge Header Box on this item - it is different from the header box on power sluice #7820. What's the difference between a dredge/highbanker combo and a highbanker or power sluice? For example, #7830 above is called a dredge because an actual dredge nozzle is included and the unit was built for sucking up gravel, etc. Process this sluiced material with a gold pan or other fine gold recovery product. Rinse any excess gravel that remains in the sluice into container. Inspect for pickers or nuggets first, then carefully roll up the riffle matting or miner's moss and wash into the container at the end of the sluice. Learn how a Suction Nozzle works on a Gold Dredge.Īfter sucking up material for a while, place a wide tray, bucket or large gold pan at the end of the sluice. A suction dredge engine is air cooled and adds nothing to the water. ![]() ![]() The average size of a dredge engine is 5 horsepower- about the same size that powers lawnmowers. The sluice filters out all heavy metals, including mercury, and returns the clean gravel to the river. The size of a gold dredge (1.5 inch, 2 inch, etc.) is determined by the diameter of the suction hose- the larger diameter the hose, the more material can be processed.Ī floating gold dredge is essentially a floating sluicebox that uses an engine and pump to create a vacuum and send gravel (hopefully gold-bearing gravel!) into the sluice box suspended between the two pontoons. Plus, advances in technology allow a small surface gold dredge to be carried by a single person to a remote stream or river and profitably process gold-bearing material.Ī suction dredge used along the shoreline works like a large vacuum cleaner by sucking up underwater gold-bearing material like rocks, gravel, sand, and dirt and forcing it through a highbanker or power sluice that is capable of recovering very fine particles of gold. Sandy or gravel river banks contain large deposits of alluvial gold (loose pieces of gold or gold-bearing sand), and dredging is a great way to recover this gold. Over the last 10 years or so, dredging has resurfaced as a popular form of gold mining (except in California where dredging is currently banned).
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