Stockpile Dischargers and Coal Valve equipment combination

For more than 30 years, FLSmidth Ludowici has continued to invest in the design and manufacture of stockpile dischargers that have been widely used in the Australian coal industry

  • Overview
  • Customer Benefits

Features

For more than 30 years, Ludowici has continued to invest in the design and manufacture of stockpile dischargers that have been widely used in the Australian coal industry.

With more than 175 manufactured to date, they have a proven track record and reputation for quality within the industry.

 

Support Frame (CAST-IN FRAME)

·        Cast-in support frame is a heavy steel ring beam for casting into the concrete roof to support both the SPD and the Coal Valve i.e. keeps tunnel floor clear

·        Cast-in frame simplifies the civil form work and incorporates four water drainage outlets

 

Stockpile Discharger (SPD)

High-energy twin drive mechanisms:

·        2 x 11 kW for SPD11

·        2 x 22 kW for SPD15

·        Exciter configuration produces a vertical lift and horizontal twist action and transmits the full force into the stockpile. Drive is via direct coupled cardan shafts, not V-belt driven.

·        Standard ‘off the shelf’ mining specification drive motors

·        SPD functions controlled by site PLC timer and by microwave “starve switch”

  

Coal Valve

·        Double acting gate system including a Control Gate and a Cut-Off Gate

·        Gates are curved to promote material flow in the direction of the reclaim Conveyor, thus minimizing conveyor belt wear.

·        Electro mechanical linear actuators fitted to both the Control Gate and the Cut-Off Gate.

·        Coal Valve functions controlled by site PLC

 

Conveyor Load Skirts/Hopper

·        Designed in conjunction with the Coal Valve and Reclaim Conveyor to prevent flooding of tunnel

·        Rear section flared to allow entrance of up-stream material

·        Adjustable profile outlet plate to ensure smooth conveyor loading

 

Applications

·         Designed to facilitate a controlled out loading rate of typically 5,000 tonnes per hour Coal (and potentially up to 6,000 tonnes per hour Coal)

The main customer benefits are:

·        Cast-in frame can deliver cost-savings

·        System constructed for ease of maintenance.

·        Electro mechanical linear actuators allow stand alone operation of each equipment combination

·        Cut-Off Gate capable of being closed through a static head of coal

·         Conveyor load skirts/hopper prevents sloughing of coal slurry into tunnel


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