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S8 Crawler Mobile Sand Maker - Leading China Suppliers and Factory for High-Quality Sand Production Equipment
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S8 Crawler Mobile Sand Maker - Leading China Suppliers and Factory for High-Quality Sand Production Equipment

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The RTZK Track-Mounted Mobile Sand Maker is a cutting-edge product developed by leading China suppliers, leveraging the most popular and effective sand-making machine technology in the market. This innovative equipment combines advanced research from various fields including crushing technology, hydraulic systems, computer technology, and manufacturing processes. It can be tailored for both aggregate shaping and sand production according to specific material processing needs. Its products are extensively utilized across a variety of industries such as construction materials, chemicals, road construction, mining, highways, high-speed railways, and skyscrapers. When equipped with the Extreme Cold Package, this machine ensures dependable performance in ambient temperatures ranging from -40°C to 40°C.

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Applicable Materials: Granite, Diabase, Basalt, Limestone, River Pebbles, Iron Ore, Copper Ore, Dolomite, Rhyolite, Manganese Ore, Phosphate Ore.

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    Extreme-Cold Version

    1

    Structural Steel Enhancement: 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.

    2

    Electrical System Enhancements: Heaters installed in electrical cabinets. All internal cables replaced with low-temperature resistant cables. Cabinet structure made of Q355ME cold-resistant steel plate.

    3

    Power Package Enhancements: Steel structure made of Q355ME cold-resistant steel plate. Motors: Low-temperature rated motors. Cables: Low-temperature resistant cables.

    Components & Auxiliaries: Seals: Cold-resistant seals. Pressure Gauges: Cold-resistant silicone oil-filled gauges. Sight Glasses: Cold-resistant acrylic. Radiator Plates: Low-temperature resistant. Hydraulic Oil Tank: Equipped with an oil heater. Hydraulic Lines & Piping: Fitted with heating trace cables. Electrical Cabinet: Equipped with cabinet heaters. Engine: Equipped with water jacket preheater and diesel fuel preheater.

    Product Parameters

    Parameter Unit Value
    Feeding Conveyor – Hopper Capacity 3
    Feeding Conveyor – Feeding Capacity t/h 300
    Crushing unit – Maximum Feed Particle Size mm 40
    Crushing unit – Power kW 315
    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 4200×1600
    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 60
    Overall Machine – Total Installed Power kW 364.5
    Overall Machine - Capacity t/h 250
    Overall Machine – Working Dimensions m 18.5x3.9x5.1
    Overall Machine – Transport Dimensions m 20x3.9x3.8

    Product Characteristics

    01

    Continuous Feeding

    The crusher unit is equipped with an oversized feed hopper containing an adjustable distributor plate to ensure uniform material feed, resulting in more rounded and stable product gradation.

    02

    Interlinked Control

    The crusher's oil lubrication system is fitted with flow meters and temperature sensors. If the oil temperature becomes excessively high, the system will automatically shut down both the crusher and conveyors to prevent equipment damage.

    03

    Dust Suppression

    The unit is equipped with a spray system where external sprays effectively reduce airborne dust. Internal air circulation within the crushing chamber helps guide dust flow, and discharge points are sealed to minimize environmental release.

    04

    Transport & Maintenance

    The machine features a hydraulic control system using hydraulic cylinders to switch between working and transport configurations. Internal inspections and wear part replacements are also facilitated via hydraulic cylinders.

    05

    Closed-Circuit Recirculation

    The crusher includes a material recirculation system that returns out-of-spec aggregate for reprocessing. Alternatively, this material can be used as finished product if required.

    06

    Pre-screening

    The crusher is equipped with a pre-screening system to enhance the overall production capacity of the plant.

    07

    Multi-Functional Design

    The crusher can be adapted for different applications by adjusting the chamber configuration. Multiple chamber types are available, including "iron-on-iron," "rock-on-iron," and "rock-on-rock," making it suitable for both aggregate shaping and sand production, offering high operational flexibility.

    Function Module

    RT315VSIE-1
    01

    Power System

    Extra-wide conveyor belts ensure stable output capacity.
    The discharge height is specially designed for large-volume stockpiling.
    A return conveyor enables material recirculation for further crushing.
    02

    Final Screening Unit

    Riveted construction reduces welding stress and prevents vibration-induced cracking.
    Side-mounted vibrating motors reduce transmission losses and simplify maintenance.
    Extra-large screening area ensures high output capacity.
    03

    Power System

    Utilizes renowned brand components.
    Delivers strong power and excellent climbing capability.
    Supports switching between low-speed and high-speed modes.
    04

    Electric Control System

    Intelligent control panel with one-button start/stop for simple operation.
    Equipped with a wireless remote control to reduce the need for auxiliary personnel.
    Electrical cabinet cooling is fitted with air filters to minimize dust ingress.
    Externally mounted frequency converters reduce failures caused by vibration and contamination.
    05

    Recirculation System

    The recirculation conveyor can be rotated for discharge and can also serve as a finished product conveyor.
    The return conveyor enables material recirculation for further crushing.
    06

    Sand Making Unit

    Can be configured with two types of crushing chambers: one for shaping (rock-on-rock) and another for sand making (rock-on-iron).
    Hydraulically operated housing covers allow easier and faster internal inspection and maintenance.
    The oil lubrication system is equipped with flow meters and temperature sensors; if the oil temperature exceeds safe limits, the crusher will shut down automatically.
    An oversized feed hopper includes an adjustable distributor plate for more uniform material flow.
    07

    Feeding System

    A convenient sliding mechanism ensures quick setup and transport, and allows easy adjustment of the feed effect to the crusher.
    A magnetic separator ensures optimal operational stability.
    A recovery device is installed under the feeding system to maintain a clean working environment for the hydraulic system below.
    A quick-tipping mechanism at the rear of the hopper speeds up the clearing process in case of material blockage.

    Frequently Asked Questions (FAQ)

    What makes the Extreme-Cold Version suitable for low-temperature environments?

    The Extreme-Cold Version uses Q355D and Q355E grade steel, which maintains excellent toughness and ductility even at -40°C. Additionally, it features low-temperature resistant cables, cold-resistant seals, cabinet heaters, and engine preheaters to ensure reliable operation in freezing conditions.

    How does the interlinked control system protect the crusher?

    The crusher's oil lubrication system is integrated with flow meters and temperature sensors. If the oil temperature exceeds safe limits, the system automatically shuts down both the crusher and the conveyors to prevent mechanical damage.

    Can this machine handle both aggregate shaping and sand making?

    Yes. The sand making unit features a multi-functional design with adjustable chamber configurations. It supports multiple chamber types, including "iron-on-iron," "rock-on-iron," and "rock-on-rock," allowing it to adapt to both aggregate shaping and sand production.

    What features are included for dust suppression and environmental protection?

    The unit utilizes an external spray system to reduce airborne dust. It also features internal air circulation within the crushing chamber to guide dust flow, and the discharge points are sealed to minimize dust release into the environment.

    What are the dimensions and weight of the overall machine?

    The overall machine has a total weight of 60 tonnes. Its working dimensions are 18.5 x 3.9 x 5.1 meters, and its transport dimensions are 20 x 3.9 x 3.8 meters.

    How does the recirculation system work?

    The machine features a closed-circuit recirculation system. A return conveyor sends out-of-spec aggregate back to the crusher for reprocessing. The recirculation conveyor can also be rotated to discharge material directly as a finished product.

    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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