Water pumps and auxiliary equipment for water pumps

We are describing here water pumps and auxiliary equipment used in the program Start Your Own Gold Mine. Handling of pumps, their maintenance, tips and tricks, capacities and calculations of water usage will be represented in this category from time to time.

• Verification of water source on mining site in Tanzania
  Water sources in mining are major resource. On majority of artisanal mining sites in Tanzania water is rather obstacle than a resource. This situation here is quite different, the mining site needs a lot of water for processing. Verification of the water supply have taken place this day. Several water sources available on this mining site.
• One way to connect the suction hose and plastic pipe
  This is one way to connect the softer suction hose of 2 inch and the plastic pipe which is exactly the same size as the suction hose. The suction cannot be put directly onto this plastic pipe as how we have done that in Tanzania. The pipe is simple of different type over here. We have cut two pieces of the plastic pipe and then cut it on one side of the pipe, along the side. One piece have been bent and made smaller, expandable due to its elasticity and placed it inside the suction hose and the plastic…
• Connecting hoses and pipes with rubber strings
  The rubbers are made out of the bicycle inner tyre and sold for 1,000 Ugandan shillings which is about US $0.27.
• The spray of water on the left side designates the water losses in pumping
  This spray of water is the loss and many such holes in the hoses influence the final water volume on the sluice. It also increases the fuel consumption.
• Water loss in pumping
  The water is lost in pumping if hoses are not tight. Pressure is lost and less water arrives to destination, the sluice for washing the gold ores.
• Water pump from Swiss company Ennos
  This water pump works on solar power directly. It has a built-in solar controler. It is produced by Swiss company, I just guess "Ennos". The price in Uganda is way too much, it is good for richer people or companies. What is good is that it can push water on long distance, even 2 kilometers. The watter supply by this pump is not sufficient for direct mining purposes. It may be used for collection of water in water tanks for later work.
• The priming cover on the water pump
  This is the priming cover on the water pump. It comes in plastic and metalic version. Often it is lost or stolen on mining sites. Without it, the pump is not going to work, or with improvized covers such as sticks, pump may easily get broken or damaged. To find the replacement cover one needs to order it from Kampala for some 10,000 Ugs. or US $2.75.
• Bianco Pumpz water pump, model BIA-INOX120PC, 5-50 liter per minute
  This is 5-50 liters per minute water pump. That is too low pressure, we need more water so that material we are processing is thoroughly liquefied and that gold particles may pass down fully liberated.
• Bianco Pumpz water pump, model BIA-INOX120PC with 5-50 liters per minute
  This is Bianco Pumpz water pump, we are watching the specifications before purchasing. This one is supposed to supply from 5 to 50 liters per minute with 3.5 Amperes consumption and 1.6 horse powers. We did not buy it.
• Stronger hoses for the water pump
  These hoses may be used for better supply of water to the sluices. When hose is too soft it tends to get broken, repairs are expensive and holes too often especially in a thorns rich vegetation. That is why using better hoses is recommended. On longer distances the type of the hose and its inner resistance also influence the supply and pressure of the water.
• The choice of pumps in Busia, Uganda
  The town simply lacks the supply of any water pumps. Hard to find. Nearest shops are in Jinja, the source of the river Nile or Kampala. Pumps as shown on this picture are used, and do not even function. Buying them is liability.
• DC switch to turn on the bilge pumps
  Often prospectors and gold miners are confused how to concentrate the concentrate. Or better said how to make the super concentrate. It is only by process of concentration that gold is recoverered. Multiple steps of concentration may require different methods of handling. Often it is useful to have a bilge pump of 600 gallons or 2271 liters per hour. Such pump may be perfectly enough to process 500 to 1000 kilograms of dry or wet ore in an hour. To start the pump you need a switch. I am placing this…

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