AEL provides a full range of Mobile Charging Units (MCUs), which cater for all underground mining applications. MCUs are capable of pumping the full range of AEL’s bulk explosives products.

All MCUs are designed to operate in the demanding environments encountered during normal mining operations.

Design parameters include all necessary safety control systems, as well as ease of operation, maintenance and reliability. Units are of a modular design and are able to be mounted on all Utility Vehicles supplied or preferred by the customer.

Technical Specifications

Benefits and Features

Benefits

• Proven reliability in all charging applications
• Integrated control systems, which guarantee constant delivery of requested product quality/quantity
• A range of products can be applied depending on conditions
• Product pumping rates reduce face/panel charging times
• Minimal product spills during start-up/shut-down operations

• Pump protection-guarding against dead-heading and dryrunning scenarios
• Strainers on the bin to prevent ingress of foreign objects
• Remote control by pendant
• Unit capable of pumping at elevated heights.
• Charging units can be mounted on all utility vehicles.

Safety Features

• Independent electronic pump protection system monitoring and controlling operating pressures on critical pumps
• Mechanical pump protection devices installed on all critical pumps
• Emergency stops situated at critical locations
• Up-hole charging from a safe distance via remote control pendant (MCU Jumbo)
• Units have a meltable sight-glass on emulsion tank, which ruptures when exposed to heat

Technical Properties

• Hydraulic system supplied from utility vehicle ranged from 20 – 100 litres per minute at 160 bar
• Independent pump safety control system
• Max pumping rates range between 30 and 80kg per minute
• User-friendly control panel - operator interface
• Fully automated hose handling system (MCU Jumbo)
• PLC controlled system operating from 12 or 24 volt DC

Product Range

Underground Mobile Charging Units (MCU)

MCU 1.5T H/E/etc

H = Hydraulic
E = Electric

MCU 2T H/E/etc

HE = Electric Power Pack
A = Pneumatic
E = Electric

MCU 3T H/E/etc

P = Perimeter blasting
B = Direct Drive on Cat Pumps
D = Direct Drive on Product Pump

MCU 0.75T LC

B = Direct Drive on Cat Pumps
LC = Land Cruiser Unit

MCU Jumbo

Jumbo = Up / Down Hole Charging Unit
D = direct drive on orbit pump
A = pneumatic
HE = hydraulic over electric
SS = shaft sinking
LC = land cruiser
K2 = uphole charging

Recommendations for use

Underground mining operations with a requirement for all bulk explosives products