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Recent content by IGSAM

  1. IGSAM

    Design of a plate with Impact Load from a Rock

    Thanks everyone for your response, @Miningman, The bin is a 40ft height in verticality (not true verticality, as 25years of ops tends to shape a wall). The bin constricts at the end (the hopper) to fit the chute, which feeds the conveyor. Only the hopper and the chute is lined, the vertical...
  2. IGSAM

    Design of a plate with Impact Load from a Rock

    Hi, Here is my scenario; I have a rock bin (a bin made of rock for rocks, yes it is in an underground mine) with a hopper and chute at the bottom discharging to a conveyor. We want to install a plate at the bottom of the bin to block any rock entry in the chute. I am using a worst-case scenario...
  3. IGSAM

    Galvanised corrosion by indirect contact

    Hi All, Thanks for you answers. I would be interested in knowing the other type of corrosion that could happen so here are some specific examples, all those example the connections are flanged : * Water Tank in stainless : Water inlet & outlet in C.S. : Fluid Water 30C * Water line in C.S. with...
  4. IGSAM

    Galvanised corrosion by indirect contact

    Hello, I work in the mining industry, and it is not uncommon to see in the process plants stainless steel equipment’s with inlets & outlets of carbon steel system. For example, a stainless-steel tank with a plumbed carbon steel inlet and carbon steel outlet. The physical contact between the two...
  5. IGSAM

    Orifice Plate - Flow reduction

    Hi, We want to fabricate an orifice plate to reduce a flow in a pipe. To summarize, we have two pumps running at 1,100m³/hr discharging into a treatment system that cannot handle more than 1,800m m³/hr. The pumps do not have a VFD. Our quick solution is to reduce the flow using an orifice plate...
  6. IGSAM

    Gland seal Water System adjustement

    Hi, I have a question regarding adjustment of the gland seal water. Online I can find a lot of information regarding adjustment of the stuffing box of the pump but nothing on the adjustment of the gland water itself. My gland water is set-up so right before the pump I have a flow reading and a...
  7. IGSAM

    Fluid Velocity - Gravity Fed - Pipeline

    Hi Little Inch, The total lenght of the line is quite long; it is a tailing line (5km to be extended in the futur). The drain is situated at 182m of the pumps discharge and will drain only a part of the line (the rest will drain in the tailings. Total Volume to drain : 122.7 cubic meter Size...
  8. IGSAM

    Fluid Velocity - Gravity Fed - Pipeline

    Hello, I want to calculate how long will a line take to drain, knowing the volume, slope & the fluid’s properties. My problem is that I do not know which formula to use to calculate this: • Fluid is in a pipeline so I cannot use Manning’s formula • Fluid is slurry so I cannot use Hazen-Williams...
  9. IGSAM

    Flushing lines

    Hi, Before transfer of a truckshop from construction to operation, oil lines will have to be flushed to remove large debris. I received a flushing procedures from the oil system's supplier. But one thing that is not clear ; there are 5 different oil system, all of them I will use the same...
  10. IGSAM

    Minimum Allowable Velocity in Pipe

    I do find that the 200mm is bigger than necessary. I am not too worried about the head loss, the pumps curve are design for a efficiency range of between 480ft-920ft head. Which to me I also find is an over design as the total head loss will be at around 300ft. But I am not in the design team, I...
  11. IGSAM

    Minimum Allowable Velocity in Pipe

    Thank you guys, It answers my question. And yeah you are right Emmanuel, my mistake I meant 50LPM.
  12. IGSAM

    Minimum Allowable Velocity in Pipe

    Hi, I am working on installation of water wells. The design is for 15 wells in total, each wells should give me a maximum of 50GPM. In the design we received each group made of 5 wells is connecting to a 100mm HDPE line and the 3 groups branch together in a 200mm HDPE. At the moment we can only...
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