China Suppliers Factory K8F Modular Impact Crushers for Efficient Primary and Secondary Crushing
Product Parameters
| Parameter | Unit | Value |
|---|---|---|
| Feeding Device - Hopper Capacity | m³ | 5 |
| Feeding Device - Vibrating Motor Power | kW | 2 * 5.5 |
| Crushing unit - Maximum Feed Particle Size | mm | 600 |
| Crushing unit - Crusher 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 |
| End Discharge Conveyor (Optional) - Belt Width | mm | B500 |
| End Discharge Conveyor (Optional) - Drive Motor Power | kW | 4 |
| Vibrating Screen - Number of Screen Decks | - | 1 |
| Vibrating Screen - Screen Area | mm | 4500 * 1500 |
| Overall Machine - Total Weight | t | 38.5 |
| Overall Machine - Total Power | kW | 315 |
| Overall Machine - Capacity | t/h | 150 - 250 |
| Overall Machine - Working Dimensions | m | 18.3 × 5.4 × 4.8 |
| Overall Machine - Transport Dimensions | - | Disassembly and Transportation |
Product Characteristics
Characteristics of the Entire Machine
Suitable for stationary installations with high stability and excellent cost-effectiveness.
Powerful Crushing Unit
The crusher unit optimally integrates a scalping rotor, high-wear-resistant materials, and a well-engineered crushing chamber design. This significantly enhances processing capacity, improves final product gradation, and reduces wear costs. It is equipped with a fully hydraulic impact plate and discharge gap adjustment device for more convenient operation.
Robust Main Frame
The main frame is designed with a scalping structure using premium-grade steel, ensuring solid and reliable construction.
Advanced Control System
Features a dual-control mode combining wireless remote operation and local control, with a high-definition display for intuitive and convenient visual operation.
Intelligent Feeding System
The vibrating feeder utilizes automatic variable-frequency feeding. By monitoring the crusher motor load, it adjusts the feed rate to control the main unit's workload, thereby reducing the risk of equipment failure.
Easy Maintenance
Safety observation platforms are installed around the feed hopper and the main unit, providing clear visibility of material flow and facilitating easier maintenance and inspection.
Function Module
Conveying System
Final Screening Unit
Crushing Engine
Electric Control System
Vibrating Feeder
The vibration frequency can be independently controlled to effectively prevent material blockage in the crusher.
Feeding Hopper
Frequently Asked Questions (FAQ)
What is the capacity and design feature of the feeding hopper?
The feeding hopper has a capacity of approximately 5 m³. It features an irregular hopper design that allows materials to enter the crushing chamber more easily.
How does the intelligent feeding system prevent equipment failure?
The vibrating feeder utilizes automatic variable-frequency feeding. By monitoring the crusher motor load, it dynamically adjusts the feed rate to control the main unit's workload, thereby reducing the risk of equipment failure.
What are the main performance benefits of the crushing engine?
The crushing engine features a scalping rotor and dual-cavity design, offering a high crushing ratio, large output, and excellent final product shape. Additionally, it is equipped with a fully hydraulic impact plate and discharge gap adjustment device for easier operation and maintenance.
What is the production capacity and power requirement of the overall machine?
The overall machine has a production capacity of 150-250 t/h, with a total weight of 38.5 tonnes and a total power requirement of 315 kW.
What control modes are available in the electric control system?
The system features a dual-control mode combining wireless remote operation and local control, paired with a high-definition display. It also includes an intelligent control panel with one-button start/stop for simple operation.
How is the final screening unit designed to prevent vibration damage?
The final screening unit utilizes a riveted construction which reduces welding stress and prevents vibration-induced cracking. It also features side-mounted vibrating motors to reduce transmission losses.
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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