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Hydraulic Stations for Mining

Mining Hydraulics: High Availability of large Volume Flows

KAMAT longwall pump stations: Very reliable, high flow systems for fast, accurate and safe longwall operation.

Longwalls are getting faster, longer, and deeper.

Both longer and deeper longwalls are faced with large increases in ground pressure. Engineers counter this with larger cylinder diameters, and higher hydraulic pressures.

Production demands that the cutting machines (shearers or ploughs) get faster, shield cycle times get shorter, and more shields must move simultaneously.

Longwalls get more capital intensive, faster and, over time there become fewer for a given coal production target.

Pump stations, therefore have to deliver higher pressure, higher flow and be more reliable.

For the most productive longwalls, the rate at which shields can be moved, and the conveyor advanced, are on the critical path to high production. Both of these are strongly dependent on the pump station's performance.

KAMAT's high pressure systems for mining provide the required pressure and flow of longwall fluid reliably, and with high availability.

These system designs have evolved based on KAMAT's decades of experience worldwide especially in USA, Australia, China and Russia.

KAMAT led the way with fewer, but bigger pumps, and frequency controlled variable speed motors. Our plunger pumps can operate at between 10% and 100% speed allowing for much smoother operation than conventional unloader valved systems. Smoother operation, with less pressure shocks, leads to less wear and hence longer lifetime of hoses and fittings.

KAMAT's 3 x 500 kW pump systems have been running since 2012, powering 7 meter high longwalls, without any pump failures.

KAMAT's 800 kW pumps are now going into service KAMAT's 800kW pump is capable of delivering up to 3500 bar, where this is required. A classic mining system has 3 high pressure pumps for longwall fluid.

KAMAT's frequency controlled pumps, with their 90% bandwidth, allow us to control an entire pump station with only 1 frequency controlled master pump. This design dramatically reduces the station's complexity, improves reliability and reduces the required investment.

KAMAT's longwall pump stations are in use in everything from central stations to power multiple longwalls, to state of the art systems for individual 7 meter high longwalls producing 100.000 tonnes per day.

Downloads

Application Download
Removal of Coatings and Old Paint Layers from Building Application Report [155 KB]
Automatic Cleaning in Tunnels Application Report [231 KB]
Automatic Ship Hull Cleaning at 2500 bar with Suction Device and Filtration Application Report [413 KB]
Semi-automatic Concrete Removal Application Report [214 KB]
Concrete Renovation - Manual Application Report [232 KB]
Removal of an "Anti-Slip" Coating from the Runway of an Aircraft Carrier Application Report [160 KB]
Removal of Sinter Rings in Rotary Furnaces Application Report [57 KB]
Deburring and Washing Application Report [323 KB]
Removal of Moulding Sand from Castings Application Reports [139 KB]
Removal of Paint and Rust from Ships up to 2500 bar Application Report [204 KB]
Removing Rust and Paint with Water / Sandblasting Application Report [58 KB]
Decoating a Collection Basin Under Storage Tanks Application Report [1 MB]
Removal of Coatings and Paint Layers from Sheet Metal Roofs Application Report [773 KB]
Removal of Coatings and Paint Layers from The Folds On Tin Roofs Application Report [119 KB]
Descaling of Billets in Roller Mills Application Report [347 KB]
Filter Press Cleaning Application Report [422 KB]
Cleaning Paint Grids in the Car Industry Application Report [569 KB]
High-Pressure Water Inhibits Emission of Heavy Gases Application Report [1 MB]
Hydraulic Longwall Power Packs Application Report [398 KB]
Runway Cleaning at 600 bar Application Report [657 KB]
Runway Cleaning at 2000 bar Application Report [437 KB]
Runway Cleaning up to 2500 bar with Suction Device Application Report [329 KB]
Driving Piles into the Seabed Application Report [254 KB]
Cleaning a Filter Screen Drum Application Report [182 KB]
Cleaning a Conveyor Belt in the Fibre Glass Industry Application Report [306 KB]
Cleaning Building Machinery Application Report [127 KB]
Cleaning Parts of an Extruder in the Polypropylene-Production Process Application Report [2 MB]
Cleaning of Boilers - Flame-exposed Side Application Report [311 KB]
Cleaning of Boiler Tubes Application Report [1 MB]
Cleaning of Condensers in Power Plants Application Report [115 KB]
Cleaning Plate Application Report [311 KB]
Pipe Line Cleaning Application Report [434 KB]
Cleaning of pipes using the "TORNADO" Application Report [806 KB]
Cleaning of Ship Hulls up to 1000 bar Application Report [179 KB]
Cleaning of Deep Water Wells Application Report [742 KB]
Cleaning of Corrugated Eternit Roofs (Asbestos cement roof panels) Application Report [269 KB]
Standards for Cleaning of Steel Surfaces Application Report [35 KB]
Dry Docks - Steel Preparation to WJ - 2 Application Report [155 KB]
Evaporator Cleaning in the Food Industry Application Report [1 MB]
Automatic Heat Exchanger Cleaning Application Report [406 KB]
Heat Exchanger Cleaning - Manual Application Report [423 KB]
Heat Exchanger Cleaning in a Sugar Factory Application Report [566 KB]
Roll Adjustmentt in Steel Mills Application Report [420 KB]