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China K7F Modular Integrated Impact Crusher & Screener - Top Suppliers & Factory for Efficient Crushing Solutions
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China K7F Modular Integrated Impact Crusher & Screener - Top Suppliers & Factory for Efficient Crushing Solutions

The RTZK Modular Impact Crushing & Screening Plant, proudly manufactured by leading China suppliers, features a cutting-edge integrated design. Equipped with the powerful NP1213 impact crusher, it delivers impressive processing capacity, high crushing ratios, and consistently uniform particle gradation for an optimal product shape. This innovative plant incorporates a unique three-deck screening system, allowing for the direct production of various crushed product specifications with an effective screening area of 9 m². This design enhances both equipment output and screening efficiency. Offering exceptional cost-effectiveness, this crushing and screening solution significantly lowers investment costs for customers, making it a top choice among factory-produced equipment in the industry

    Product Parameters

    Parameter Unit Value
    Feeding Device – Hopper Capacity 5
    Feeding Device – Vibrating Motor Power 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
    Upper/Middle/Lower Transit Conveyor – Belt Width mm B500
    Upper/Middle/Lower Transit Conveyor – Drive Motor Power kW 4
    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
    Left/Right Side Conveyor – Belt Width mm B650
    Left/Right Side Conveyor – Drive Motor Power kW 4
    Vibrating Screen – Number of Screen Decks - 3
    Vibrating Screen – Screen Area mm 5000*1800
    Overall Machine – Total Weight t 57
    Overall Machine – Total Power kW 339.5
    Overall Machine - Capacity t/h 120-200
    Overall Machine – Working Dimensions m 19.2×14.8×5.1
    Overall Machine – Transport Dimensions - Disassembly and Transportation

    Product Characteristics

    01

    Entire Machine Features

    Adopts an integrated design concept that combines crushing, screening, electrical, and hydraulic systems into a single unit. It features a compact structure, strong functionality, convenient transportation, and higher economic benefits.

    02

    Powerful Crushing Unit

    Equipped with an ultra-scalping impact rotor, delivering excellent crushing performance and high output. The use of high-wear-resistant materials and a deep-cavity design significantly enhances processing capacity while reducing wear costs. A fully hydraulic discharge gap adjustment device ensures easy operation.

    03

    Efficient Pre-screening Device

    The pre-screening device can effectively screen out viscous materials from raw materials and directly screen the crushed products with qualified particle sizes onto the conveyor, thus effectively improving production capacity.

    04

    Unique Screening System

    A triple-deck screen design enables multiple crushed product specifications. The vibrating screen offers a large effective screening area for high efficiency and stability. It can be hydraulically raised and lowered, providing ample space for maintenance and screen replacement.

    05

    Robust Chassis

    The frame features a reinforced, scalping design using premium-grade steel, ensuring solid construction, stability, and reliability.

    06

    Easy Maintenance

    Safety observation platforms are installed around the equipment for more convenient maintenance and servicing.

    Function Module

    K7F Modular Integrated Impact Crushing & Screening Plant
    01

    Conveying System

    Extra-wide conveyor belts ensure stable output capacity.
    A high stockpile height effectively reduces the need for frequent material transfer.
    02

    Final Screening Unit

    Equipped with a three-deck screening and recirculation system capable of producing multiple finished product specifications.
    Offers a large screening area of up to 9 m², providing high screening capacity and excellent screening efficiency.
    Riveted construction reduces welding stress and prevents screen box cracking due to vibration.
    Side-plate motor drive effectively reduces transmission losses and facilitates easier maintenance.
    03

    Hydraulic System

    Front-mounted hydraulic cylinders raise the unit body, providing convenient access for screen replacement and maintenance.
    Conveyors can be folded via hydraulic cylinders, making equipment transportation more convenient.
    04

    Crushing System

    Features an integrally cast ultra-heavy-duty impact rotor for excellent crushing performance and high output.
    An integrated crushing chamber design offers large capacity and high throughput.
    High crushing ratio ensures good particle shape and uniform gradation of the crushed material.
    05

    Electric Control System

    An intelligent control panel with a user-friendly interface enables one-button start/stop operation.
    Equipped with a wireless remote control for more convenient and safe operation.
    06

    Pre-screening System

    Features a pre-screening system that effectively removes sticky materials from raw feed, reducing wear on the crushing unit and boosting productivity.
    07

    Vibrating Feeder

    The feeder can be independently controlled for start/stop to effectively prevent material blockage and overloading of the crushing unit.
    Powered by two 5.5 kW vibration motors for even material feeding, effectively reducing impact on the crusher.
    08

    Feed Hopper

    Approximately 5 m³ capacity.
    Irregular hopper design allows materials to enter the crushing chamber more easily.

    Frequently Asked Questions

    Q: What is the production capacity of the K7F plant?

    The overall machine capacity ranges from 120 to 200 tons per hour (t/h), depending on the feed material properties and configuration.

    Q: What is the maximum feed size the crushing unit can handle?

    The crushing unit is designed to handle a maximum feed particle size of up to 600 mm.

    Q: How does the pre-screening system improve productivity?

    The pre-screening system effectively removes sticky and fine materials from the raw feed before it enters the crusher, which reduces wear on the crushing unit and prevents clogging.

    Q: What are the specifications of the final screening unit?

    It features a triple-deck vibrating screen with a large effective screening area of 5000*1800 mm (up to 9 m²), allowing for the efficient separation of multiple finished product specifications.

    Q: How is the equipment transported between sites?

    The machine is designed for easy disassembly and transportation. Additionally, the conveyor belts can be hydraulically folded to facilitate convenient logistics.

    Q: What are the power requirements and total weight of the machine?

    The entire machine has a total weight of 57 tons and requires a total power of 339.5 kW, including a 250 kW crushing unit and two 5.5 kW vibrating motors.

    INTRODUCTIOM TO ORIGINALFUNCTIOM MODULES

    LB Series Asphalt Mixing Plant (1)

    Cold material system

    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.

    LB Series Asphalt Mixing Plant (2)
    LB Series Asphalt Mixing Plant (3)
    0102

    Drying system

    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.

    LB Series Asphalt Mixing Plant (4)

    Burner

    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).

    LB Series Asphalt Mixing Plant (5)

    Elevating system

    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.

    LB Series Asphalt Mixing Plant (6)

    Screening system

    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.

    LB Series Asphalt Mixing Plant (7)

    Hot material silo system

    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.

    LB Series Asphalt Mixing Plant (8)

    Dosing system

    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%.

    LB Series Asphalt Mixing Plant (8)

    Dosing system

    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%.

    LB Series Asphalt Mixing Plant (9)

    Mixing system

    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.

    LB Series Asphalt Mixing Plant (10)

    Dust collection system

    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.

    LB Series Asphalt Mixing Plant (11)

    Control system

    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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