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H7 zero Cone Crusher

Full electric cone crusher processing plant for secondary & tertiary crushing of hardest rock and ore.

Overview

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Aggregates
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Quarrying
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Sand & Gravel
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Heavy duty
The Keestrack H7e ZERO is the full-electric flagship engineered for the toughest rock and ore. Equipped with a 2-deck pre-screen and 3-deck after-screen, it enables closed-circuit processing for premium product shape and high efficiency. Perfect for heavy quarry operations & hard rock and ore .
Capacity up to 659 t/h
Weight 89.2 t / 98.3 sT
Feed size 250 mm / 10"
ZERO, electric plug-in drive (no combustion engine onboard)
Pressurized cone crusher with automatic release for uncrushables
Ultrasonic level sensor and automatic capacity control
Metal detector integrated feeder for protection
General Specifications
Capacity up to659 t/h / 726 sT
Weight incl. triple deck after screen2 loads: 64,6 t & 24,6 t
 71,2 sT & 27,1 sT
Feed size up to250 mm / 10"
Hopper
Feed hopper (HB450)8 m³ / 10,5 yard³
Hydraulic foldable hopper walls•
Loading height5540 - 4900 mm 
Loading width (back)3105 mm
Side loading length4555 mm
Wear liningHB 450 welded
Hopper load release system•
Feeding & Pre-screen
Apron feeder with belt to pre-screen + electro magnet•
Apron feeder (L × W)5400 mm × 1200 mm
Standaard belt feeder with metal detector•
Belt feeder l x w9430 mm x 1000 mm
2-deck pre-screen (front & side walkways)•
Top deck2780 mm × 1460 mm
Bottom deck2755 mm × 1460 mm
Cone Crusher
Weight of cone crusher20 t / 22 sT
Maximum feed size250 mm / 10"
C.S.S. (min–max)8 - 44  mm / 1/3" - 1 2/3"
Standard Safeties (Pressurized Cone)
Automatic release system for uncrushable•
Rotational indication of crusher drive•
Slip control of crusher drive•
Ultrasonic fill level measurement•
Automatic capacity control (level & engine load)•
Automatic wear indicator on display•
Access, Conveyor & Tracks
Standard access to crusher houseRight
Walkways beside the cone•
Main conveyor (L × W) & discharge height12440 mm × 1200 mm (5270 mm)
Track unit (L × W × shoe width)4165 mm × 3000 mm × 500 mm
2-speed track drive0.5 km/h and 1.1 km/h
Engine & Power
Drive typeZERO, full-electric
Power supplyPlug-in from grid or Gen set (min. 550 kVA)
Battery pack (tracks & hydraulics)•
Control System
ControlPLC – IP67 LCD 7" & remote control
Smart sequential auto start/stop•
Safety & Maintenance
Comprehensive safety system (keys, E-stops, remote stop, protected doors)•
All conveyor drums greased for life•
Transport Dimensions
Transport (L × W × H)20415 × 3027 × 3838 mm
 67' x 9'11" x 12'7"
2nd load (L × W × H)12890 × 2795 × 2945 mm
 42'3" x 9'2" x 9'7"
Transport with 3-deck after screen (L × W × H)22270 x 3035 x 3890 mm
 73' x 9'11 x 12'9"
2nd load with after screen (L × W × H)15000 x 2600 x 2950 mm
 49'2" x 8'6" x 9'8"
Feeding, Pre-screen & Crushing
Feed hopper wear plates HB450 / HB500•
Hopper extensions•
Pre-screen with fines stockpile conveyorStandard
Fines conveyor (L × W × discharge height)4340 mm × 650 mm (3250 mm)
3-deck after screen with conveyors for closed circuit•
Top deck (L × W)4750 x 1755 mm
Middle deck4350 x 1755 mm
Bottom deck (L × W)4420 x 1755 mm
Screen media (after screen)Wire mesh / square mesh
Oversize conveyor (L × W × discharge height)2850 mm × 650 mm
Recycling conveyor10835 mm × 650 mm
Under feeder (oversize fraction conveyor)4340 mm × 650 mm
Middle fraction fines conveyor – left side5920 mm × 650 mm (3500 mm)
Middle fraction coarse conveyor – right side5920 mm × 650 mm (3500 mm)
Fines conveyor (L × W × discharge height)6800 mm × 1300 mm (4220 mm)
Walkway beside after screen box (standard)Right side
Optional walkwayLeft side
Other Options
Dust suppression system•
Radio remote (several options)•
Working lights•
Telematics system UMTS/GPS•
Heating system lube oil tank•

Performance highlights

Full electric heavy duty cone crusher processing plant for secondary crushing of hardest rock and ore.
Optional 2-deck pre screen
Optional 3-deck screen
Feed size up to 250 mm (10")
C.S.S. min. - max. 8 - 44 mm (1/3" - 1 2/3") depending on crushing chamber configuration
Capacity up to 6595 tonnes / hour (726 sT/h)
Hopper 8 m³ (10 yard³)
Other configurations possible with different crushing chambers
2 speed track drive
Best product shape
Remote monitoring & control options
Proven pressurized cone technology with automatic release system, rotational indication & slip control & overload protection

Applications

Abrasive and hard stone
Hard rock and ore
Granite and basalt
Primairy, secondary, tertiary or quaternary crushing
River and sea gravel
Quarrying and mining
Production of aggregates for asphalt, concrete and others

Fuel Efficiency

plugin_main Electric plug-in mains
324 kWh

Available drive systems

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ZERO-Drive
Read more about Drive systems

Benefits of using Keestrack machines

Remote monitoring

With large fleets and multiple sites in operation it is essential that owners know the location and status of their machines in real time, 24 hours a day.

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Drive systems

In 1999 Keestrack introduced a load sensing diesel/hydraulic drive system which resulted in 25% fuel savings compared to competition.

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Fuel efficiency

We know our customers need exceptional power and performance, but they also want to lower their fuel costs and reduce their environmental footprint.

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Cost savings

Purchase price is only part of the total cost of ownership. Over the lifetime of your investment, operating costs can add up and ultimately reduce your competitiveness.

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Mobile technology

At Keestrack we understand how important mobility is to owners and operators, and this is reflected in the design and construction of our machines. Our aim is to minimize set up times, reduce overall weight and size, and get you up and running as soon as possible.

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