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Trade and Export of Gold Mining Equipment and Gold Prospecting Tools to Russian Federation from the U.S.A.

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Large Placer Processing/Recovery Gold Plant

150-300 TPH Plant with Conveyor & Feeder
Manufactured by RMS-Ross in Canada

RMS-Ross is pleased to offer a heavy duty fine gold classifying and recovery plant which has just been completed and is now available for immediate sale. The plant has been designed around a target of 150 TPH of head ore, and can process up to 300 TPH depending on the gravel profile of your mine site pay zone.

150-300 TPH Plant with Conveyor & Feeder -
Elevation View 1


PDF VIEW (1 & 2)

150-300 TPH Plant with Conveyor & Feeder -
Elevation View 2


PDF VIEW (1 & 2)

150-300 TPH Plant with Conveyor & Feeder - 
ISO View



150-300 TPH Plant with Conveyor & Feeder - 
Plan View



Quotation (PDF)
Package: 6 containers
Location: Chilliwack, BC, Canada
Contact: Larry Wilmarth, Owner Surveyors Exchange Co., Inc.,
                   LarryWilmarth@gci.net, call  1 (907) 440-2007, or 1 (907) 345-6500.

RMS has incorporated an RMS-Ross DEROCKER to handle rock and boulder ahead of the screening and classifying equipment. This will handle boulder up to 48 inch diameter and will deliver clean washed 2 inch minus product to the screen and recovery plant. This is a great solution for any property that has rock over 5 inch, so that the screen deck can be protected. The DEROCKER requires 2000 gallons per minute, which joins the 2 inch minus to the recovery plant.

The recovery circuit is presently configured so that the head feed material will be fed to the DEROCKER, where the large rocks will be washed and sized into +2" and -2" fractions. The gold bearing 2" minus alluvial material will be fed onto a 5 x 15 foot triple deck vibrating horizontal screen. The screened material will consist of four fractions: a 1.5" plus fraction, for scalping off organics and oversize rocks and deleterious materials that will go to a tailings pile; a 1.5" to 3/4" which will be combined with the 1.5" plus going to tails; a 3/4" to 5/16" plus fraction, which will feed to a 7 x 20 foot sluice box in order to capture the coarse gold, and the 5/16" minus fraction, which will be fed to an RMS-Ross 6' Duplex Circular Jig Plant. RMS-Ross 6' Duplex Circular Jigs are ideal for material screened to 5/16" minus and can recover a very high percentage of fine gold exceeding 250 mesh. The concentrates from the 6 Foot Circular Jigs gravity concentrates to a SALA bowl pump and then is pumped to the RMS 3' Circular Cleaner Jigs which will be used as cleaner jigs. The jig tailings will also feed into the Sluice Box.
This system is designed to aid the breakdown of light clays and silts and the liberation of their entrained precious metal values. A high pressure booster pump has been added to the DEROCKER fresh water supply system to increase the pressure up to 80 PSI to assist in breaking up the light clays and silts. We have also added nozzles in the trough from the DEROCKER to the screen deck to allow for additional scrubbing and liberation prior to the screens.
If required, 1) a Sepro Scrubber can be added to mechanically break down any heavy "plastic" clays and liberate the entrained gold and black sand values. 2) If further treatment of the clay is required, an environmentally "green" clay deflocculent called A15 can be added to the scrubber and recirculating water to break down any remaining clay particles. A15 and the Clay Scrubber deployed together would be very successful in a heavy gold clay situation, and would maximize return of the fine gold.
After the triple deck screen, the 5/16" minus will be pumped to a bank of six 10 inch Krebs hydrocyclones.
The hydrocyclones will perform two major functions. They are sized to remove the excess water that is required in the earlier stages for scrubbing and washing, and will also remove the 400 mesh (38 micron) and smaller material. This step will get rid of the majority of any fine silts and clays (which are usually particles smaller than 10 micron) which tend to cement up the sluice box and potentially the jigs during plant shutdowns. This fines slurry can be directed to a separate pond to help keep these fines out of the plant water supply. The hydrocyclone underflow will carry all the material that is recoverable by the jigs (generally 250 mesh plus) and will provide it to the jigs at 30 percent solids, which is the preferred solids ratio to the jigs.
The plant comes complete with ladders, platform walkways and handrails for access for plant operation and maintenance.
Detailed circuit design and flows are shown in the flow sheet and preliminary CAD drawings that are attached.

If there is no rock larger than six inch on the property in the gold gravels, then RMS can adapt the plant to replace the DEROCKER with an 8' x 14' foot heavy duty hopper with 42" belt feeder. This will discharge through a 28" opening and onto a 24" x 60' HSS lattice conveyor, to feed the triple deck screen. This option will require additional engineering and modifications to make the adaptation.

We also recommend that all test work and screen size analyses of the samples be forwarded to RMS for its team to review and potentially modify the circuit for best application and adaptation with your company's particular ore.
We also recommend that the concentrates, other than the gold values, should be tested for the potential of other PGMs and rare earth metals. If additional economic values are found in the concentrates, a separation and recovery system for them can be designed by RMS.
Gold Room :
A gold room quote can be prepared to go along with, or to follow the plant stated in this document. 

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As the subframe moves back and forth (yellow arrows), the deck (3) undulates, causing the material (1) to move down the deck with the 2" minus dropping through the grizzly bars (purple arrows) and out the bottom to the gold recovery system, leaving the washed coarser material (2) on the top of the deck to be discharged.