Z8H Crawler Mobile Scalping Plant - High-Performance Screening Solutions from China Suppliers and Factory
Extreme Cold Version
All critical structural plates use Q355D and Q355E steel. Q355E steel offers excellent low-temperature performance, maintaining good toughness and ductility in environments as low as -40°C, making it highly suitable for cold regions or applications subjected to low-temperature impact loads.
The electrical system is supplemented with heaters; all cables inside the cabinet are replaced with low-temperature-resistant cables; the cabinet structure uses Q355ME cold-resistant steel plate.
The power-unit structure is made of Q355ME cold-resistant steel plate; motors are low-temperature rated; cables are low-temperature resistant; seals are cold-resistant; pressure gauges are filled with cold-resistant silicone oil; level indicators are made of cold-resistant acrylic; radiator plates are low-temperature resistant; a heater is added to the hydraulic oil tank; heating tapes are installed on hydraulic lines and pipes; an enclosure heater is added to the electrical cabinet; and the engine is equipped with a water-jacket preheater and diesel fuel preheater.
Product Parameters
| Parameter | Unit | Value |
|---|---|---|
| Feeding System – Hopper Capacity | m3 | 6 |
| Feeding System – Feeding Height | mm | 4100 |
| Feeding System – Maximum Feed Size | mm | 500 |
| Feeding System – Feeding Capacity | t/h | 200-500 |
| Screening System – Screening Area | mm | 5000x1550 |
| Screening System – Number of Screen Decks | 2 | |
| Coarse Material Conveyor – Belt Width | mm | B1200 |
| Coarse Material Conveyor – Gear Motor | kW | 2×5.5 |
| Medium Material Conveyor – Belt Width | mm | B800 |
| Medium Material Conveyor – Drive Motor Power | kW | 7.5 |
| Fine Material Conveyor – Belt Width | mm | B800 |
| Fine Material Conveyor – Drive Motor Power | kW | 7.5 |
| Under-screen Conveyor – Belt Width | mm | B1200 |
| Under-screen Conveyor – Drive Motor Power | kW | 7.5 |
| Power Assembly – Drive Concept | Diesel-Electric Drive | |
| Power Assembly – Generator Set Power | kW | 120 |
| Overall Machine – Total Installed Power | kw | 64.5 |
| Overall Machine - Capacity | t/h | 200-500 |
| Overall Machine – Total Weight | t | 37.5 |
| Overall Machine – Working Dimensions | m | 15.6×14.3×4.7 |
| Overall Machine – Transport Dimensions | m | 15.6×3.3×3.6 |
Product Features
Screening Unit
Intuitive and Simple Control System
Robust Apron Feeder
Equipped with an apron feeder that is sturdy and durable, preventing damage to the feeding device when oversized material is present.
Multiple Driving Modes
Convenient Maintenance
All components are easily accessible, enabling quick and efficient service.
Function Module
Conveying System
Vibrating Screen
Power System
Control System
Feeder
Frequently Asked Questions
What makes the Extreme Cold Version suitable for low-temperature environments?
It utilizes Q355D, Q355E, and Q355ME cold-resistant steel plates. Specifically, Q355E steel maintains excellent toughness and ductility at temperatures as low as -40°C. Additionally, the electrical and power systems are equipped with specialized heaters, preheaters, and low-temperature-resistant cables and seals.
What is the production capacity and feeding size of this machine?
The machine has a feeding and overall capacity of 200 to 500 tons per hour (t/h), and it can handle a maximum feed size of up to 500 mm.
How does the Diesel-Electric drive system benefit operation?
The diesel-electric hybrid drive concept allows operators to switch between diesel and electric power sources to match different working conditions. It can run in pure electric mode to reduce energy costs and emissions, and features a load-sensing hydraulic system that improves fuel efficiency by up to 20%.
What control options are available for the machine?
The machine is equipped with a dual-control mode that allows operation via a wireless remote control as well as a local touchscreen interface, ensuring simple operation and reduced risk of mishandling.
What are the transport and working dimensions of the machine?
The working dimensions are 15.6 × 14.3 × 4.7 meters, while the transport dimensions are 15.6 × 3.3 × 3.6 meters, allowing for efficient relocation.
How does the screening unit optimize material separation?
It features a double-deck scalping screening machine with a 7.5㎡ screening area. The screen box angle is adjustable to optimize capacity, and it uses a banana-shaped lower screen deck to increase screening efficiency.
INTRODUCTIOM TO ORIGINALFUNCTIOM MODULES

Single silo volume is 15m³, articulated structure gives convenience for transportation.
Small size material silo adopts inner vibrating structure, with big amplitude, ensuring smooth discharge.
Belt conveyor feeding adopts frequency converting + door opening extent control , ensuring a stable primary grading.
Equipped with material lacking alarm device.
Patented blade technology, the material curtain is more uniform and has better heat absorption effect.
Material containing blade feeding technology, the discharge temperature is more uniform.
Large production capacity.Over-production capacity reaches 15%.
Axial flow low-pressure atomization burner is with dual frequency conversion technology to control the air oil ratio, and the fuel consumption per ton of finished product is 6kg (under standard conditions).
Directly driven by a direct reduction motor, with strong power and high efficiency.

The burner has a wide adjustment range and can adaptto various complex working conditions.
Three stage atomizing technology, fuel is atomized into micrometer level, with fully combustion.
High power pre heating device,stable fuel temperature.
Remote fault diagnosis function,timely service, and ensures production reliability.
Intelligent axial flow low-pressure atomization burner adopts dual frequency conversion adjustment technology with automatically adjustable air and oil distribution, ensuring a reasonable air oil ratio and sufficient combustion. The fuel consumption under rated working conditions is only 6kg/t (finished material).

Plate chain elevator, whose chain is not easy to stretch and is stable and reliable in use.
Deceleration motor direct drive with anti reverse device.
The elevator chute is equipped with a wear-resistant plate structure to improve wear resistance.

Dual-vibration motor direct drive,strong vibration effect,to achieve a maintenance free period of approximate 2000h.
Large screening area and high screening efficiency.
The screen mesh changing device adopts a side bolt method which is convenient for quick replacement.
The shell of the vibrating screen is wrapped with insulation rock wool for insulation,noise reduction, environmental protection and energy conservation.

Hot aggregate silo is divided into the upper & lower silo, both adopt rock wool for insulation.
Equipped with a continuous material level detection device, giving convenience for visually observing the material level of various ingredients.
The silo door adopts a maintenance free structural design, large & small doors to achieve a secondary coarse & fine weighing structure, ensuring aggregate dosing accuracy.
The sand silo is equipped with a temperature detection device.

Aggregate scale, asphalt scale, and filler scale are all measured using a 3-point compression dosing module.
The aggregate scale adopts a coarse and fine scale structure with large and small gates, ensuring a dosing accuracy of 0.3%.
The asphalt scale adopts a frequency conversion pump+secondary dosing method to ensure a dosing accuracy of 0.2%, and the dynamic secondary tracking dosing technology ensures an accuracy of 0.3% for the oil & gravel ratio.
The filler scale adopts spiral conveying, pneumatic butterfly valve control, and the “fly material” control program is used to ensure dosing accuracy of 0.2%.

Aggregate scale, asphalt scale, and filler scale are all measured using a 3-point compression dosing module.
The aggregate scale adopts a coarse and fine scale structure with large and small gates, ensuring a dosing accuracy of 0.3%.
The asphalt scale adopts a frequency conversion pump+secondary dosing method to ensure a dosing accuracy of 0.2%, and the dynamic secondary tracking dosing technology ensures an accuracy of 0.3% for the oil & gravel ratio.
The filler scale adopts spiral conveying, pneumatic butterfly valve control, and the “fly material” control program is used to ensure dosing accuracy of 0.2%.

The mixer has a large capacity and adopts power redundancy design, with sufficient power and strong power.
Driven by a direct reduction motor it has strong stability.
Full blade spiral stirring cloud technology, fast mixture cycling speed and strong kneading ability, to achieve the effect of rapid blending.
The blades and lining plates are made of nickel chromium alloy material, with a service life of no less than100000 batches.

Adopting primary gravity dust collector and a secondary atmospheric reverse blowing bag dust collector. Emission concentration <20mg/Nm3.
High-power fan ensures a sufficient air volume, which is controlled by frequency conversion to save energy and reduce noise.
The flue gas pipeline is equipped with a temperature measurement device and has a high and ow temperature alarm function.

Equipped with 2 monitors and 2industrial control computers, when one machine malfunctions another can be used to ensure production stability.
The operation interface is intuitive and clear and key currents and parameters are displayed during internship.
The electrical parts adopt famous international brands, to ensure the reliability.
The control program maintains functions of linkage control, safety interlock, power outage protection.
Asphalt dosing has a secondary dynamic tracking dosing function; The program has “f lying material” control and automatic dosing function.
With functions of online remote diagnosis, to ensure the timely service.
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