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Construction Waste Resourceful Treatment Line
China K8 Crawler Mobile Impact Crushers - Top Suppliers and Factory for Efficient Aggregates Production
Extreme-Cold Version
All critical structural plates use Q355D and Q355E grade steel. Q355E steel plate provides excellent low-temperature performance, maintaining good toughness and ductility even at -40°C, making it ideal for cold regions or applications subject 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 pack uses Q355ME cold-resistant steel plate; the motor is a low-temperature motor; the cable is a low-temperature cable; the seals are cold-resistant seals; the pressure gauge is a cold-resistant silicone oil pressure gauge; the level gauge is made of cold-resistant acrylic; the radiator plate is low-temperature resistant; the hydraulic oil tank is equipped with a heater; the hydraulic lines are equipped with heating tape; the electrical cabinet is equipped with a cabinet heater; and the engine is equipped with a water jacket preheater and a diesel preheater.
Product Parameters
| Parameter | Unit | Value |
| Feeding Device – Hopper Capacity | m3 | 5 |
| Feeding Device – Vibrating Motor | kW | 2*5.5 |
| Crushing unit – Maximum Feed Particle Size | mm | 600 |
| Crushing unit – Power | kW | 250 |
| Main Conveyor – Belt Width | mm | B1000 |
| Main Conveyor – Drive Motor Power | kW | 15 |
| Transit Conveyor – Belt Width | mm | B500 |
| Transit Conveyor – Drive Motor Power | kW | 3 |
| Return Conveyor – Belt Width | mm | B650 |
| Return Conveyor – Drive Motor Power | kW | 5.5 |
| Crushed Material Conveyor – Belt Width | mm | B1000 |
| Crushed Material Conveyor – Drive Motor Power | kW | 7.5 |
| Vibrating Screen – Screening Area | mm | 4500*1500 |
| Vibrating Screen – Number of Screen Decks | 1 | |
| Power Assembly – Drive Concept | External Power Connection | |
| Power Assembly – Engine Power | kW | 103 |
| Overall Machine – Total Weight | t | 59 |
| Overall Machine – Total Installed Power | kW | 315 |
| Overall Machine - Capacity | t/h | 150-250 |
| Overall Machine – Working Dimensions | m | 18.7x4.8x5.3 |
| Overall Machine – Transport Dimensions | m | 18.7x3.9x3.8 |
Product Characteristics
Intelligent Anti-Blocking Technology
The industrial controller can automatically regulate the feed overload current, pause and resume feeding autonomously, and also allows for manual intervention to prevent crusher blockage and shutdown.
Powerful Crushing Unit
The crusher unit optimally integrates a heavy-duty rotor, high-wear-resistant materials, and a well-engineered crushing chamber design. This significantly enhances processing capacity and final product gradation while reducing wear costs. It is equipped with a fully hydraulic impact plate and discharge gap adjustment device for more convenient operation.
Mobility and Flexibility
Designed in compliance with national road transportation standards, the unit can be transported as a single piece, saving transportation costs for users. Its specialized crawler walking mechanism allows flexible movement over rugged terrain.
Easy Maintenance
Safety observation platforms are installed around the feeding hopper and the main unit, providing a clear view of material flow and enabling more convenient maintenance and inspection.
High-Efficiency Pre-Screening Device
Processing raw material through the pre-screening device allows sticky materials to be discharged directly via the conveyor, while medium-sized materials can be sent straight to the main conveyor. This significantly reduces wear in the crushing chamber and improves the equipment’s production capacity.
Advanced Control System
Equipped with a dual-control mode (wireless remote + local operation) and a high-definition display, offering intuitive and convenient visual operation.
Function Module
Conveying System
Power System
Crushing Unit
Electric Control System
Final Screening System
Pre-screening System
Feed Hopper
Frequently Asked Questions
How does the Extreme-Cold Version perform in low temperatures?
The Extreme-Cold Version utilizes Q355E grade steel plates for critical structural parts, maintaining excellent toughness and ductility even at -40°C. Additionally, it features low-temperature motors, cables, seals, and specialized heaters for the electrical system, hydraulic tank, and lines.
What is the production capacity and total weight of the machine?
The overall machine has a production capacity of 150-250 t/h and a total weight of 59 tons.
What is the capacity of the feeding device hopper?
The feed hopper has a capacity of approximately 5 m³ and features an irregular shape to help materials enter the crushing chamber more easily.
How does the Intelligent Anti-Blocking Technology prevent shutdowns?
The industrial controller automatically regulates the feed overload current, pausing and resuming feeding autonomously, while also allowing manual intervention to prevent crusher blockages.
What are the dimensions of the machine for working and transport?
The working dimensions are 18.7x4.8x5.3 meters, and the transport dimensions are 18.7x3.9x3.8 meters.
How does the pre-screening device improve efficiency?
It processes raw material by discharging sticky materials directly via the conveyor and sending medium-sized materials straight to the main conveyor. This reduces wear in the crushing chamber and increases production capacity.
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.