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LB Series Asphalt Mixing Plant - China Suppliers & Factory for High-Efficiency Asphalt Production
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LB Series Asphalt Mixing Plant - China Suppliers & Factory for High-Efficiency Asphalt Production

The LB series asphalt mixing equipment stands out in the market due to its larger mixer structure, delivering superior overproduction capacity. As a leading product from China, this equipment features an innovative three-point pressure dosing module, seamlessly integrated with advanced operating system functions for dosing and drop compensation, ensuring exceptional dosing accuracy. The modular design guarantees easy installation and transportation, while the fully sealed negative pressure construction promotes a dust-free and environmentally friendly operation. As reliable asphalt mixing equipment from a trusted factory, it is ideal for municipal road engineering, high-grade pavement construction, and various asphalt pavement projects. Choose our LB series equipment for efficient production, energy conservation, and outstanding performance, backed by top suppliers in the industry

    Product Parameters

    Model LB1500 LB2000 LB3000 LB4000 LB5000
    Original rated productivity (t/h) 120 160 240 320 400
    Rated mixing capacity (kg/batch) 1500 2000 3000 4000 5000
    Max Producivity(t/h) 140 180 260 340 440
    Dosing accuracy (static) Aggregate(%) ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
    Powder(%) ±0.2 ±0.2 ±0.2 ±0.2 ±0.2
    Asphalt(%) ±0.2 ±0.2 ±0.2 ±0.2 ±0.2
    Oil & gravel ratio(%) ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
    Installed power (kW) 340 400 621 700 930
    Fuel consumption(heavy oil) kg/t (standard condition) 6 6 6 6 6
    Gas consumption(natural gas) m/T (standard condition) 7 7 7 7 7
    Standard floor space(m³) 30x30 35×35 40x40 50x50 50x50
    Dust removal area(m³) 450 600 900 1250 1500
    Dust discharge concentration(mg/Nm³) <20 <20 <20 <20 <20
    Blackness of emitted flue gas Greenman Levell Greenman Levell Greenman Levell Greenman Levell Greerman Levell
    Noise in control room <70dB <70dB <70dB <70dB <70dB

    Product Characteristics

    01

    Module design, less ground area taking, convenient installation.

    02

    Fully sealed negative pressure design, no powder leaking, reasonable power distribution saves energy.

    03

    Efficient thermal system structure, the burner adopts intelligent axial flow ow-pressure atomization form, and the equipment's fuel consumption is 6kg/t (finished material) under rated working conditions.

    04

    The dosing system adopts a pressure type dosing module structure for dosing, with automatic dosing and “flying material” compensation functions, achieving high dosing accuracy.

    05

    Mixer adopts a redundant structure design, which ensures strong mixing, the plant has strong over production capacity under the same plant model.

    Frequently Asked Questions

    What is the rated productivity range of the LB series asphalt mixing plants?

    The LB series offers a rated productivity ranging from 120 t/h (for the LB1500 model) up to 400 t/h (for the LB5000 model) under standard working conditions.

    How accurate is the dosing system in these mixing plants?

    The dosing system features high static accuracy, achieving ±0.3% for aggregate, ±0.2% for powder, ±0.2% for asphalt, and ±0.3% for the oil & gravel ratio.

    What are the environmental features of the LB series?

    All models are designed for eco-friendliness with a fully sealed negative pressure design to prevent powder leaking, dust discharge concentration kept below 20 mg/Nm³, and noise levels in the control room under 70dB.

    What is the fuel consumption rate under rated working conditions?

    The standard heavy oil consumption is 6 kg/t of finished material, optimized by an efficient thermal system and an intelligent axial flow low-pressure atomization burner.

    How does the modular design benefit installation and space requirements?

    The modular design minimizes ground footprint (ranging from 30x30m for the LB1500 to 50x50m for the LB5000) and ensures quick, convenient assembly and installation on-site.

    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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